Around 1095 Henry "Black" Welf IX Duke Bavaria (age 20) and Wulfhilde of Saxony Duchess Bavaria (age 23) were married. She the daughter of Magnus Billung Duke Saxony (age 50). He the son of Welf I Duke Bavaria (age 58) and Judith Flanders Duchess Bavaria. They were fourth cousins.

Before 1113 Conan "Fat" Canhiart III Duke Brittany (age 17) and Matilda Fitzroy Duchess Brittany were married. She by marriage Duchess Brittany. She the illegitmate daughter of King Henry I "Beauclerc" England (age 44). He the son of Alan Canhiart IV Duke Brittany (age 49) and Ermengarde Anjou Duchess Brittany and Aquitaine (age 44). They were fourth cousins.

Around 1115 William "Talvas" Montgomery III Count Ponthieu (age 22) and Helie Burgundy Countess Ponthieu (age 35) were married. She by marriage Countess Ponthieu. She the daughter of Odo "Red" I Duke Burgundy and Sybilla Ivrea Duchess Burgundy. He the son of Robert II Belleme 2nd Count Ponthieu 3rd Earl of Shrewsbury (age 59) and Agnes Ponthieu Countess Ponthieu and Shrewsbury. They were fourth cousins.

Before 1142 Odo II Duke Burgundy (age 24) and Marie Blois Duchess Burgundy were married. She the daughter of Theobald Blois II Count Champagne IV Count Blois (age 51) and Matilda Carinthia Countess Champagne and Blois. He the son of Hugh II Duke Burgundy (age 57) and Felicia Matilda Mayenne Duchess Burgundy. They were fourth cousins. She a great granddaughter of King William "Conqueror" I of England.

Around 1148 William Blois I Count Boulogne (age 11) and Isabella Warenne Countess Boulogne 4th Countess of Surrey (age 11) were married. She by marriage Countess Boulogne. She the daughter of William Warenne 3rd Earl Surrey (age 29) and Adela Montgomery Countess of Salisbury and Surrey. They were fourth cousins. He a great grandson of King William "Conqueror" I of England.

In Aug 1150 Raymond Berenguer Barcelona V Count Barcelona (age 36) and Petronilla Jiménez Queen Aragon (age 13) were married. She by marriage Countess Barcelona. The difference in their ages was 22 years. She the daughter of Ramiro "Monk" II King Aragon (age 64) and Agnes Poitiers Queen Consort Aragon (age 45). He the son of Raymond Berenguer Barcelona III Count Barcelona and Douce Gevaudan Countess Barcelona. They were fourth cousins.

In or before 1151 William Fitzrobert 2nd Earl Gloucester and Hawise Beaumont Countess Gloucester were married. She by marriage Countess Gloucester. She the daughter of Robert Beaumont 2nd Earl of Leicester (age 46) and Amice Gael Countess Leicester. He the son of Robert Normandy 1st Earl Gloucester and Mabel Fitzhamon Countess Gloucester. They were fourth cousins. He a grandson of King Henry I "Beauclerc" England.

On 20 Jul 1153 Sancho "Wise" King Navarre (age 21) and Sancha Ivrea (age 14) were married. She the daughter of Alfonso VII King Castile VII King Leon (age 48) and Berenguela Barcelona Queen Consort Castile and Leon. He the son of García "Restorer" IV King Navarre and Marguerite Aigle Queen Consort Navarre. They were fourth cousins.

In 1164 Henry Blois I Count Champagne (age 36) and Marie Capet Countess Champagne (age 19) were married. She by marriage Countess Champagne. She the daughter of Louis VII King Franks (age 44) and Eleanor of Aquitaine Queen Consort Franks and England (age 42). He the son of Theobald Blois II Count Champagne IV Count Blois and Matilda Carinthia Countess Champagne and Blois. They were fourth cousins. He a great grandson of King William "Conqueror" I of England.

In 1164 Theobald "Good" Blois V Count Blois (age 34) and Alix Capet Countess Blois (age 13) were married. She by marriage Countess Blois. The difference in their ages was 20 years. She the daughter of Louis VII King Franks (age 44) and Eleanor of Aquitaine Queen Consort Franks and England (age 42). He the son of Theobald Blois II Count Champagne IV Count Blois and Matilda Carinthia Countess Champagne and Blois. They were fourth cousins. He a great grandson of King William "Conqueror" I of England.

In 1165 Hugh III Duke Burgundy (age 23) and Alice Metz Duchess Burgundy were married. She by marriage Duchess Burgundy. She the daughter of Matthias Metz I Duke Lorraine (age 46) and Bertha aka Judith Hohenstaufen Duchess Lorraine (age 42). He the son of Odo II Duke Burgundy and Marie Blois Duchess Burgundy. They were fourth cousins. He a great x 2 grandson of King William "Conqueror" I of England.

In 1186 Henry Hohenstaufen VI Holy Roman Emperor (age 20) and Constance Queen Sicily (age 31) were married. He the son of Frederick "Barbarossa" Hohenstaufen I Holy Roman Emperor (age 64) and Beatrice Ivrea Holy Roman Empress. They were fourth cousins.

Before 1204 Robert Beaumont Count Meulan (age 62) and Maud FitzRoy de Dunstanville of Cornwall (age 60) were married. She the daughter of Reginald de Dunstanville Fitzroy 1st Earl Cornwall and Mabel Fitzrichard. He the son of Waleran Beaumont 1st Earl of Worcester Count Meulan and Agnes Elizabeth Montfort Countess Worcester. They were fourth cousins. She a granddaughter of King Henry I "Beauclerc" England.

In or before 1217 Peter of Dreux aka Mauclerc Duke Brittany (age 30) and Alix Thouars Duchess of Brittany (age 15) were married. He by marriage Duke Brittany 1221 Dreux, Earl Richmond. She the daughter of Guy Thouars and Constance Penthièvre Duchess Brittany. He the son of Robert Capet II Count Dreux (age 62) and Yolande Coucy Countess Dreux (age 52). They were fourth cousins. She a great x 3 granddaughter of King Henry I "Beauclerc" England.

Around 1217 Amedeo Savoy IV Count Savoy (age 20) and Margaret Burgundy Countess Savoy (age 25) were married. She by marriage Countess Savoy. She the daughter of Hugh III Duke Burgundy and Beatrice of Albon Duchess Burgundy (age 56). He the son of Thomas Savoy I Count Savoy (age 39) and Margaret Geneva Countess Savoy (age 37). They were fourth cousins. She a great x 3 granddaughter of King William "Conqueror" I of England.

On 05 Jun 1219 Raymond Berenguer Provence IV Count Provence (age 21) and Beatrice Savoy Countess Provence (age 21) were married. She by marriage Countess Provence. She the daughter of Thomas Savoy I Count Savoy (age 41) and Margaret Geneva Countess Savoy (age 39). He the son of Alfonso Barcelona II Count Provence and Gersenda II Sabran Countess Provence (age 39). They were fourth cousins.

On 30 Nov 1219 Ferdinand III King Castile III King Leon (age 20) and Elisabeth Hohenstaufen Queen Consort Castile Queen Consort Leon (age 14) were married in Burgos. She by marriage Queen Consort Castile, Queen Consort Leon. She the daughter of Philip King Germany. He the son of Alfonso IX King Leon (age 48) and Berengaria Ivrea I Queen Castile (age 40). They were fourth cousins. He a great grandson of King Henry "Curtmantle" II of England.

In 1240 Otto II Duke Guelders and Margaretha Cleves (age 22) were married. She by marriage Duchess Guelders. She the daughter of Dietrich Cleves V Count Cleves and Mathilda Dinslaken Countess Cleves. He the son of Gerard III Count Guelders and Margaret Reginar Countess Guelders. They were fourth cousins. He a great x 4 grandson of King William "Conqueror" I of England.

After 12 Aug 1241 Humphrey Bohun (age 20) and Eleanor de Braose (age 13) were married at Brecon [Map]. He the son of Humphrey Bohun 2nd Earl Hereford 1st Earl Essex (age 37) and Matilda Lusignan Countess Hereford and Essex (age 31). They were fourth cousins.

In 1242 Theobald Butler (age 18) and Margery Burgh were married. They were fourth cousins.

Around 1243 Robert Ros (age 7) and Isabel D'Aubigny (age 10) were married. They were fourth cousins.

On 23 Nov 1243 Richard of Cornwall 1st Earl Cornwall (age 34) and Sanchia Provence Queen Consort Germany (age 15) were married at Westminster Abbey [Map]. She by marriage Countess Cornwall. She the daughter of Raymond Berenguer Provence IV Count Provence (age 45) and Beatrice Savoy Countess Provence (age 45). He the son of King John "Lackland" of England and Isabella of Angoulême Queen Consort England (age 55). They were fourth cousins.

Before 12 Dec 1247 Richard de Dover Plantagenet (age 27) and Matilda Angus 6th Countess Angus (age 25) were married. She the daughter of Maol Choluim Angus 5th Earl Angus. They were fourth cousins. He a grandson of King John "Lackland" of England.

In or before 1249 John Mohun (age 22) and Joan Ferrers were married. She the daughter of William Ferrers 5th Earl of Derby (age 55) and Sibyl Marshal (age 47). They were fourth cousins. She a great x 4 granddaughter of King Henry I "Beauclerc" England.

In 1249 Robert Ferrers 6th Earl of Derby (age 10) and Mary or Marie Lusignan Countess Derby (age 7) were married. She the daughter of Hugh Lusignan XI Count Lusignan VI Count La Marche II Count Angoulême (age 28) and Yolande Capet Countess Lusignan, La Marche and Angoulême (age 30). He the son of William Ferrers 5th Earl of Derby (age 56) and Margaret Quincy Countess Derby. They were fourth cousins. He a great x 4 grandson of King Henry I "Beauclerc" England. She a great x 5 granddaughter of King Henry I "Beauclerc" England.

Before 25 Mar 1249 John Courtenay 2nd Baron Okehampton (age 24) and Isabel Vere Baroness Okehampton (age 27) were married. She by marriage Baroness Okehampton. She the daughter of Hugh de Vere 4th Earl of Oxford (age 41) and Hawise Quincy Countess Oxford. They were fourth cousins. He a great x 3 grandson of King Henry I "Beauclerc" England.

In 1255 Baldwin Redvers 6th Earl Devon and Amice Clare Countess Devon (age 34) were married. She by marriage Countess Devon. She the daughter of Gilbert Clare 5th Earl Gloucester 4th Earl Hertford and Isabel Marshal Countess Cornwall, Gloucester and Hertford. They were fourth cousins. He a great x 3 grandson of King Henry I "Beauclerc" England. She a great x 3 granddaughter of King Henry I "Beauclerc" England.

On 16 Jan 1255 Guy Chatillon III Count Saint Pol (age 28) and Matilda Reginar Countess Saint Pol (age 31) were married. She the daughter of Henry Reginar II Duke Brabant and Marie Swabia Duchess Brabant. He the son of Hugh Chatillon I Count Blois V Count Saint Pol and Mary Avesnes. They were fourth cousins. He a great x 4 grandson of King William "Conqueror" I of England. She a great x 4 granddaughter of King William "Conqueror" I of England.

In or before 1259 Walter Burgh 1st Earl Ulster (age 29) and Aveline Fitzjohn Countess Ulster (age 29) were married. She by marriage Countess Ulster. They were fourth cousins.

Before 1267 Roger Zouche (age 24) and Ela Longespée (age 22) were married. They were fourth cousins. She a great granddaughter of King Henry "Curtmantle" II of England.

Around 1270 Floris Gerulfing V Count Holland (age 15) and Beatrix Dampierre (age 10) were married. She by marriage Countess Holland. She the daughter of Guy Dampierre Count Flanders (age 44) and Mathilde Bethune. He the son of William Gerulfing II Count Holland and Elizabeth Brunswick-Lüneburg Countess Holland. They were fourth cousins. He a great x 5 grandson of King William "Conqueror" I of England. She a great x 5 granddaughter of King William "Conqueror" I of England.

On 05 Sep 1270 John Reginar I Duke Brabant (age 17) and Margaret Capet (age 15) were married. She died in childbirth less than a year later. She the daughter of King Louis IX of France (deceased) and Margaret Provence Queen Consort France (age 49). He the son of Henry Reginar III Duke Brabant and Adelaide Burgundy Duchess Brabant (age 37). They were fourth cousins. He a great x 5 grandson of King William "Conqueror" I of England. She a great x 2 granddaughter of King Henry "Curtmantle" II of England.

In 1273 John Reginar I Duke Brabant (age 20) and Margaret Dampierre Duchess Brabant (age 20) were married. She by marriage Duchess Brabant. She the daughter of Guy Dampierre Count Flanders (age 47) and Mathilde Bethune. He the son of Henry Reginar III Duke Brabant and Adelaide Burgundy Duchess Brabant (age 40). They were fourth cousins. He a great x 5 grandson of King William "Conqueror" I of England. She a great x 5 granddaughter of King William "Conqueror" I of England.

On 21 Aug 1274 Philip "Bold" III King France (age 29) and Maria Reginar Queen Consort France (age 18) were married. She by marriage Queen Consort of France. She the daughter of Henry Reginar III Duke Brabant and Adelaide Burgundy Duchess Brabant. He the son of King Louis IX of France and Margaret Provence Queen Consort France (age 53). They were fourth cousins. He a great x 2 grandson of King Henry "Curtmantle" II of England. She a great x 5 granddaughter of King William "Conqueror" I of England.

In 1276 Reginald I Count Guelders (age 21) and Ermengarde Luxemburg I Duchess Limburg were married. She by marriage Duchess Guelders. She the daughter of Waleran Luxemburg IV Duke Limburg and Judith Kleve Duchess Limburg. He the son of Otto II Duke Guelders and Philippe Dammartin Countess Eu. They were fourth cousins. He a great x 5 grandson of King William "Conqueror" I of England.

Before 18 Oct 1276 Richard Talbot 4th Baron Talbot (age 26) and Sarah Beauchamp Baroness Talbot (age 21) were married. They were fourth cousins. He a great x 5 grandson of King Henry I "Beauclerc" England.

Before 1277 Gilbert Umfraville 7th Earl Angus (age 32) and Elisabetha Comyn were married. She the daughter of Alexander Comyn 2nd Earl Buchan (age 59) and Elizabeth Quincy Countess Buchan. He the son of Gilbert Umfraville and Matilda Angus 6th Countess Angus. They were fourth cousins.

In 1279 Robert II Duke Burgundy (age 31) and Agnes Capet Duchess Burgundy (age 19) were married. She by marriage Duchess Burgundy. She the daughter of King Louis IX of France and Margaret Provence Queen Consort France (age 58). He the son of Hugh IV Duke Burgundy and Yolande Capet Duchess Burgundy. They were fourth cousins. He a great x 5 grandson of King William "Conqueror" I of England. She a great x 2 granddaughter of King Henry "Curtmantle" II of England.

Around 1287 Hugh Chatillon II Count Blois and Beatrix Dampierre Countess Blois were married. She by marriage Countess Blois. She the daughter of Guy Dampierre Count Flanders (age 61) and Isabelle Luxemburg Countess Flanders (age 40). He the son of Guy Chatillon III Count Saint Pol (age 60) and Matilda Reginar Countess Saint Pol (age 63). They were fourth cousins. He a great x 5 grandson of King William "Conqueror" I of England. She a great x 5 granddaughter of King William "Conqueror" I of England.

In 1291 Otto Ivrea IV Count Burgundy (age 43) and Philippa of Bar Countess Burgundy were married. She by marriage Countess Burgundy. She the daughter of Theobald of Bar II Count of Bar (age 70) and Jeanne Toucy Countess Bar. He the son of Hugh Ivrea Count Burgundy and Adelaide Andechs. They were fourth cousins. He a great x 5 grandson of King William "Conqueror" I of England. She a great x 5 granddaughter of King William "Conqueror" I of England.

After 03 May 1302 Edward Burnell (age 16) and Aline Despencer Baroness Burnell were married. She the daughter of Hugh "Elder" Despencer 1st Earl Winchester (age 41) and Isabella Beauchamp Baroness Monthermer (age 39). They were fourth cousins. He a great x 4 grandson of King John "Lackland" of England. She a great x 5 granddaughter of King Henry I "Beauclerc" England.

Before 06 Feb 1312 Peter Brewes (age 39) and Agnes Clifford were married. They were fourth cousins. He a great x 2 grandson of King John "Lackland" of England.

In 1315 John Dampierre (age 20) and Beatrix Chatillon (age 23) were married. She the daughter of Guy Chatillon IV Count Saint Pol (age 61) and Marie Capet (age 47). They were fourth cousins. She a great granddaughter of King Henry III of England.

On 27 Jun 1316 Edmund Mortimer (age 13) and Elizabeth Badlesmere Countess Northampton (age 3) were married at Kinlet, Cleobury Mortimer [Map]. He the son of Roger Mortimer 1st Earl March (age 29) and Joan Geneville Baroness Mortimer 2nd Baroness Geneville (age 30). They were fourth cousins. He a great x 4 grandson of King John "Lackland" of England. She a great x 4 granddaughter of King Henry "Curtmantle" II of England.

Before 1317 Roger Grey 1st Baron Grey Ruthyn (age 27) and Elizabeth Hastings Baroness Grey Ruthyn (age 21) were married. They were fourth cousins.

In 1320 Louis Dampierre II Count Nevers I Count Flanders (age 16) and Margaret Capet Countess Nevers amd Flanders (age 11) were married. She by marriage Countess Nevers, Countess Flanders. She the daughter of Philip V King France I King Navarre (age 27) and Joan of Burgundy Queen Consort France (age 28). He the son of Louis Dampierre I Count Nevers (age 48) and Joan Rethel Countess Nevers and Rethel. They were fourth cousins. She a great x 5 granddaughter of King Henry "Curtmantle" II of England.

Before 26 Feb 1322 John Mowbray 3rd Baron Mowbray (age 11) and Maud Holland 3rd Baroness Holand, Baroness Lovel (age 12) were married. The marriage was later declared void. They were fourth cousins. He a great x 4 grandson of King Henry "Curtmantle" II of England. She a great x 4 granddaughter of King Henry "Curtmantle" II of England.

After 19 May 1322 Charles IV King France I King Navarre (age 27) and Marie Luxemburg Queen Consort France (age 18) were married. She by marriage Queen Consort of France. She the daughter of Henry Luxemburg VII Holy Roman Emperor and Margaret Brabant Countess Luxemburg and Namur. He the son of Philip "The Fair" IV King France and Joan Blois I Queen Navarre. They were fourth cousins. He a great x 4 grandson of King Henry "Curtmantle" II of England.

In 1327 James Butler 1st Earl Ormonde (age 22) and Eleanor Bohun Countess Ormonde (age 22) were married. She the daughter of Humphrey Bohun 4th Earl Hereford 3rd Earl Essex and Princess Elizabeth of Rhuddlan Countess Essex, Hereford and Holland. He the son of Edmund Butler 1st Earl Carrick. They were fourth cousins. She a granddaughter of King Edward "Longshanks" I of England.

Before 1328 James Audley 2nd Baron Audley of Heighley (age 14) and Joan Mortimer (age 15) were married. She the daughter of Roger Mortimer 1st Earl March (age 40) and Joan Geneville Baroness Mortimer 2nd Baroness Geneville (age 41). He the son of Nicholas Audley 1st Baron Audley of Heighley and Joan Fitzmartin Countess Lincoln. They were fourth cousins. He a great x 4 grandson of King Henry "Curtmantle" II of England. She a great x 4 granddaughter of King John "Lackland" of England.

Around 1328 Henry of Grosmont 1st Duke Lancaster (age 18) and Isabel Beaumont Duchess Lancaster (age 8) were married. She the daughter of Henry Beaumont Earl Buchan (age 49) and Alice Comyn Baroness Beaumont. He the son of Henry Plantagenet 3rd Earl of Leicester 3rd Earl Lancaster (age 47) and Maud Chaworth. They were fourth cousins. He a great grandson of King Henry III of England. She a great x 4 granddaughter of King Henry I "Beauclerc" England.

In 1330 Otto Wittelsbach IV Duke Lower Bavaria (age 22) and Richardis Jülich Duchess Lower Bavaria (age 15) were married. She by marriage Duchess Lower Bavaria. She the daughter of Gerhard Jülich V Count Jülich and Elisabeth Brabant Countess Jülich. He the son of Stephen Wittelsbach I Duke Bavaria and Jutta Jawor Duchess Bavaria. They were fourth cousins. He a great x 4 grandson of King Henry "Curtmantle" II of England.

On 06 Nov 1330 John Beaumont 2nd Baron Beaumont (age 12) and Eleanor Plantagenet Countess Arundel and Surrey (age 12) were married. She the daughter of Henry Plantagenet 3rd Earl of Leicester 3rd Earl Lancaster (age 49) and Maud Chaworth. He the son of Henry Beaumont Earl Buchan (age 51) and Alice Comyn Baroness Beaumont. They were fourth cousins. He a great x 4 grandson of King Henry I "Beauclerc" England. She a great granddaughter of King Henry III of England.

In 1334 Rudolph "Valiant" Metz I Duke Lorraine (age 14) and Marie Chatillon Duchess Lorraine (age 15) were married. She by marriage Duchess Lorraine. She the daughter of Guy Chatillon I Count Blois and Margaret Valois (age 39). He the son of Frederick "Fighter" Metz IV Duke Lorraine and Elizabeth Habsburg Duchess Lorraine. They were fourth cousins. She a great x 5 granddaughter of King Henry "Curtmantle" II of England.

In 1335 William Bohun 1st Earl of Northampton (age 25) and Elizabeth Badlesmere Countess Northampton (age 22) were married. He the son of Humphrey Bohun 4th Earl Hereford 3rd Earl Essex and Princess Elizabeth of Rhuddlan Countess Essex, Hereford and Holland. They were fourth cousins. He a grandson of King Edward "Longshanks" I of England. She a great x 4 granddaughter of King Henry "Curtmantle" II of England.

On 04 Jun 1337 Charles "Saint" Chatillon Duke Brittany (age 18) and Joan "Lame" Capet Countess Penthièvre (age 18) were married at Paris [Map]. She the daughter of Guy Capet Count Penthièvre and Jeanne Avaugour Countess Penthièvre. He the son of Guy Chatillon I Count Blois and Margaret Valois (age 42). They were fourth cousins. He a great x 5 grandson of King Henry "Curtmantle" II of England. She a great x 2 granddaughter of King Henry III of England.

After 1343 John Clinton 2nd Baron Clinton and Isabella Beauchamp (age 36) were married. She the illegitmate daughter of Guy Beauchamp 10th Earl Warwick. They were fourth cousins. He a great x 3 grandson of King Henry "Curtmantle" II of England.

Before 30 Aug 1349 Fulk Strange 3rd Baron Strange Blackmere (age 17) and Elizabeth Stafford Baroness Cobham, Ferrers and Strange (age 9) were married. She by marriage Baroness Strange Blackmere. She the daughter of Ralph Stafford 1st Earl Stafford (age 47) and Margaret Audley Countess Stafford. They were fourth cousins. He a great x 4 grandson of King John "Lackland" of England. She a great x 2 granddaughter of King Edward "Longshanks" I of England.

Before 16 Jul 1350 Gilbert Umfraville 9th Earl Angus (age 40) and Joan Willoughby Countess Angus were married. She by marriage Countess Angus. He the son of Robert Umfraville 8th Earl Angus and Lucy Kyme. They were fourth cousins.

Before 1353 Guy Beauchamp and Philippa Ferrers (age 15) were married. He the son of Thomas Beauchamp 11th Earl Warwick (age 39) and Katherine Mortimer Countess Warwick (age 38). They were fourth cousins. He a great x 5 grandson of King John "Lackland" of England. She a great x 2 granddaughter of King Edward "Longshanks" I of England.

Before 1353 David IV Strathbogie 12th Earl Atholl (age 26) and Elizabeth Ferrers Countess Atholl (age 16) were married. She by marriage Countess Atholl. He the son of David III Strathbogie 11th Earl Atholl and Katherine Beaumont Countess Atholl. They were fourth cousins. He a great x 5 grandson of King Henry I "Beauclerc" England. She a great x 2 granddaughter of King Edward "Longshanks" I of England.

In 1369 Adolph La Marck (age 35) and Margaret Jülich Countess Cleves and Mark (age 19) were married. She by marriage Countess Cleves. He the son of Adolph La Marck II Count La Marck and Margaret Cleves Countess Mark. They were fourth cousins.

On 24 Aug 1369 Edmund Mortimer 3rd Earl March, Earl Ulster (age 17) and Philippa Plantagenet Countess March 5th Countess Ulster (age 14) were married at Reading Abbey [Map]. She by marriage Countess March. He by marriage Earl Ulster. She the daughter of Lionel Plantagenet 1st Duke of Clarence and Elizabeth Burgh Duchess of Clarence. He the son of Roger Mortimer 2nd Earl March and Philippa Montagu Countess March (age 37). They were fourth cousins. She a granddaughter of King Edward III of England.

In or before 1375 John Lovell 5th Baron Lovel, Baron Holand (age 34) and Maud Holland 3rd Baroness Holand, Baroness Lovel (age 64) were married. She by marriage Baroness Lovel of Titchmarsh. He by marriage Baron Holand. The difference in their ages was 31 years; she, unusually, being older than him. They were fourth cousins. She a great x 4 granddaughter of King Henry "Curtmantle" II of England.

In 1375 Charles III King Navarre (age 14) and Eleanor of Castile Queen Consort Navarre (age 11) were married. She the daughter of Henry "Fratricide" II King Castile (age 40) and Juana Manuel Queen of Castile (age 36). He the son of Charles "Bad" II King Navarre (age 42) and Joan Valois Queen Consort Navarre. They were fourth cousins. He a great x 4 grandson of King Henry III of England. She a great x 5 granddaughter of King Henry "Curtmantle" II of England.

In 1377 John Devereux 2nd Baron Devereux and Phillipe Bryan Baroness Scrope Masham Baroness Devereux were married. She by marriage Baroness Devereux. They were fourth cousins. He a great x 5 grandson of King John "Lackland" of England.

In 1379 William Jülich 3rd Duke Guelders 3rd Duke Jülich (age 14) and Katherine Wittelsbach Duchess Guelders (age 17) were married. She by marriage Duchess Guelders, Duchess Guelders. She the daughter of Albert Wittelsbach I Duke Bavaria (age 42) and Margaret Silesia. He the son of William Jülich I Duke Jülich (age 52) and Marie Guelders Duchess Jülich. They were fourth cousins. She a great x 5 granddaughter of King Henry "Curtmantle" II of England.

Before 1380 Thomas Mar 10th Earl Mar and Margaret Graham 2nd Countess Menteith and Mar were married. She by marriage Countess Mar. He the son of Domhnall Mar II Earl Mar (age 86) and Isabella Stewart. They were fourth cousins.

In or before 1380 John Strange 6th Baron Strange Knockin (age 29) and Jane Charleton Baroness Strange Knockin (age 23) were married. She by marriage Baroness Strange Knockin. They were fourth cousins. She a great x 3 granddaughter of King Edward "Longshanks" I of England.

In or before 1381 1369 John Strange 6th Baron Strange Knockin (age 18) and Maud Mohun Baroness Strange Knockin (age 23) were married. She by marriage Baroness Strange Knockin. They were fourth cousins.

In or before 1385 John Welles 5th Baron Welles (age 32) and Eleanor Mowbray Countess Rockingham (age 24) were married. They were fourth cousins. She a great x 2 granddaughter of King Edward "Longshanks" I of England.

Before 03 Feb 1388 Henry Ferrers 4th Baron Ferrers of Groby (age 32) and Joan Poynings Baroness Ferrers Groby (age 32) were married. She by marriage Baroness Ferrers of Groby. They were fourth cousins. He a great x 3 grandson of King Edward "Longshanks" I of England.

In 1390 John Valois (age 27) and Anne Bourbon Duchess Bavaria (age 10) were married. She the daughter of Jean Bourbon I Count La Marche (age 46) and Catherine Vendome. He the son of John Valois 1st Duke Berry (age 49) and Joanne Armagnac Duchess Berry. They were fourth cousins.

Before 1396 Edward Burnell (age 25) and Alice aka Eleanor Strange (age 9) were married. They were fourth cousins.

Between 17 Oct 1396 and 28 Oct 1420 John Stewart 1st of Dalswinton and Garlies and Marion Stewart (age 12) were married. They were fourth cousins.

Before 1404 Thomas Grey of Werke and Heaton (age 19) and Alice Neville were married. She the daughter of Ralph Neville 1st Earl of Westmoreland (age 39) and Margaret Stafford Baroness Neville Raby. They were fourth cousins. He a great x 3 grandson of King Edward "Longshanks" I of England. She a great x 4 granddaughter of King Edward "Longshanks" I of England.

On 12 Jan 1412 John Mowbray 2nd Duke of Norfolk (age 20) and Katherine Neville Duchess Norfolk (age 12) were married. She the daughter of Ralph Neville 1st Earl of Westmoreland (age 48) and Joan Beaufort Countess of Westmoreland (age 33). He the son of Thomas Mowbray 1st Duke of Norfolk and Elizabeth Fitzalan Duchess Norfolk (age 46). They were fourth cousins. He a great x 3 grandson of King Edward "Longshanks" I of England. She a great granddaughter of King Edward III of England.

On 18 Feb 1413 Thomas Grey of Heton (age 9) and Isabel York Countess Eu and Essex (age 4) were married. She the daughter of Richard of Conisbrough 1st Earl Cambridge (age 27) and Anne Mortimer. They were fourth cousins. He a great x 4 grandson of King Edward "Longshanks" I of England. She a great granddaughter of King Edward III of England.

In or before 1416 Ralph Neville (age 24) and Mary or Margery Ferrers (age 21) were married. She the daughter of Robert Ferrers and Joan Beaufort Countess of Westmoreland (age 36). He the son of Ralph Neville 1st Earl of Westmoreland (age 51) and Margaret Stafford Baroness Neville Raby. They were fourth cousins. He a great x 4 grandson of King Edward "Longshanks" I of England. She a great granddaughter of King Edward III of England.

BeforeOn 04 Jun 1418 Richard Scrope 3rd Baron Scrope of Bolton (age 25) and Margaret Neville Baroness Scrope Bolton were married. She the daughter of Ralph Neville 1st Earl of Westmoreland (age 54) and Margaret Stafford Baroness Neville Raby. They were fourth cousins. She a great x 4 granddaughter of King Edward "Longshanks" I of England.

Before 14 Aug 1418 John Scrope 4th Baron Scrope Masham (age 30) and Elizabeth Chaworth Baroness Scrope Masham (age 27) were married. She by marriage Baroness Scrope Masham. They were fourth cousins.

Before 1419 Henry Ferrers (age 25) and Isabel Mowbray Baroness Berkeley (age 18) were married. She the daughter of Thomas Mowbray 1st Duke of Norfolk and Elizabeth Fitzalan Duchess Norfolk (age 52). They were fourth cousins. He a great x 5 grandson of King Edward "Longshanks" I of England. She a great x 3 granddaughter of King Edward "Longshanks" I of England.

Before 09 Sep 1427 Thomas Ros 8th Baron Ros Helmsley (age 19) and Eleanor Beauchamp Duchess Somerset (age 19) were married. She by marriage Baroness Ros Helmsley. She the daughter of Richard Beauchamp 13th Earl Warwick (age 45) and Elizabeth Berkeley Countess Warwick. They were fourth cousins. He a great x 4 grandson of King Henry III of England. She a great x 4 granddaughter of King Edward "Longshanks" I of England.

Before 1430 Alan Stewart of Darnley (age 23) and Catherine Seton (age 19) were married. He the son of John Stewart of Darnley 1st Count Évreux and Elizabeth Lennox Countess Évreux (age 59). They were fourth cousins.

On 18 Feb 1432 Ralph Bigod Lord Morley (age 21) and Anne Greystoke (age 20) were married. They were fourth cousins. She a great x 2 granddaughter of King Edward III of England.

In Oct 1441 John Beaumont 1st Viscount Beaumont (age 32) and Katherine Neville Duchess Norfolk (age 41) were married. She by marriage Viscountess Beaumont. She the daughter of Ralph Neville 1st Earl of Westmoreland and Joan Beaufort Countess of Westmoreland. They were fourth cousins. He a great x 5 grandson of King Henry III of England. She a great granddaughter of King Edward III of England.

After 1445 John Saye (age 15) and Elizabeth Cheney (age 22) were married. They were fourth cousins.

On 27 Sep 1447 Reginald Grey 7th Baron Grey of Wilton (age 26) and Tacine Beaufort Baroness Grey Wilton (age 4) were married. She by marriage Baroness Grey of Wilton. The difference in their ages was 22 years. She the illegitmate daughter of John Beaufort 1st Duke Somerset. They were fourth cousins. He a great x 5 grandson of King Henry III of England. She a great x 2 granddaughter of King Edward III of England.

In or before 1448 Thomas Echingham (age 24) and Margaret West (age 23) were married. They were fourth cousins. He a great x 5 grandson of King Henry III of England. She a great x 5 granddaughter of King Henry III of England.

On 09 Jan 1449 Richard Welles 7th Baron Welles, Baron Willoughby (age 21) and Joan Willoughby 7th Baroness Willoughby Eresby (age 24) were married. They were fourth cousins. He a great x 5 grandson of King Edward "Longshanks" I of England. She a great x 4 granddaughter of King Edward "Longshanks" I of England.

In or before 1453 William Tyrrell and Eleanor Darcy (age 21) were married. They were fourth cousins.

On 13 May 1453 Adolph of Cleves (age 27) and Beatrice Aviz (age 18) were married. He the son of Adolph La Marck I Duke Cleves and Marie Valois Duchess Cleves (age 60). They were fourth cousins. He a great x 5 grandson of King Edward "Longshanks" I of England. She a great x 2 granddaughter of King Edward III of England.

Before 1463 Thomas Burgh 1st Baron Burgh (age 32) and Margaret Ros Baroness Botreaux Baroness Burgh (age 32) were married. She the daughter of Thomas Ros 8th Baron Ros Helmsley and Eleanor Beauchamp Duchess Somerset (age 54). They were fourth cousins. He a great x 5 grandson of King Henry III of England. She a great x 5 granddaughter of King Henry III of England.

Around 1463 John Clinton 6th Baron Clinton (age 34) and Elizabeth Fiennes Baroness Clinton (age 8) were married at Herstmonceux. The difference in their ages was 26 years. They were fourth cousins. She a great x 3 granddaughter of King Edward III of England.

On 11 Jul 1463 Thomas Molyneux (age 18) and Anne Dutton (age 15) were married. They were fourth cousins. He a great x 5 grandson of King Edward "Longshanks" I of England.

In or before 1467 Thomas Cobham 5th Baron Cobham (age 55) and Anne Stafford Baroness Cobham Sternborough (age 20) were married at Lingfield, Kent. She by marriage Baroness Cobham. The difference in their ages was 34 years. She the daughter of Humphrey Stafford 1st Duke of Buckingham and Anne Neville Duchess Buckingham (age 58). They were fourth cousins. She a great x 2 granddaughter of King Edward III of England.

Before 1470 John Brooke 7th Baron Cobham (age 22) and Margaret Neville Baroness Cobham (age 15) were married. She by marriage Baroness Cobham. They were fourth cousins. She a great x 2 granddaughter of King Edward III of England.

Before 10 Dec 1472 John Mowbray 4th Duke of Norfolk (age 28) and Elizabeth Talbot Duchess Norfolk (age 30) were married. She by marriage Duchess Norfolk. She the daughter of John "Old Talbot" Talbot 1st Earl of Shrewsbury and Margaret Beauchamp Countess Shrewsbury and Waterford. He the son of John Mowbray 3rd Duke of Norfolk and Eleanor Bourchier Duchess Norfolk (age 55). They were fourth cousins. He a great x 2 grandson of King Edward III of England. She a great x 4 granddaughter of King Edward "Longshanks" I of England.

Before 1475 John Echingham (age 27) and Anne Wingfield (age 12) were married. They were fourth cousins. She a great x 5 granddaughter of King Edward "Longshanks" I of England.

Around 1483 James Tuchet 7th Baron Audley, 4th Baron Tuchet (age 20) and Margaret Darell (age 18) were married. They were fourth cousins. She a great x 3 granddaughter of King Edward III of England.

In 1484 Edward Dudley 2nd Baron Dudley (age 25) and Cecily Willoughby Baroness Dudley (age 21) were married. She by marriage Baroness Sutton of Dudley. They were fourth cousins. He a great x 5 grandson of King Edward "Longshanks" I of England.

In 1485 René Lorraine II Duke Lorraine Duke of Bar (age 33) and Philippa Egmont Duchess of Bar Duchess Lorraine (age 18) were married. She by marriage Duchess Bar, Duchess Lorraine. She the daughter of Adolf Egmont 2nd Duke Guelders and Catherine Bourbon Duchess Guelders. He the son of Frederick Lorraine Count Vaudémont and Yolande Valois Anjou. They were fourth cousins.

In or before 1486 Richard Fitzhugh 6th Baron Fitzhugh (age 29) and Elizabeth Burgh Baroness Fitzhugh were married. She by marriage Baroness Fitzhugh. They were fourth cousins. He a great x 3 grandson of King Edward III of England.

In 1487 John Bourbon II Duke Bourbon (age 61) and Jeanne Bourbon Duchess Bourbon (age 22) were married. She by marriage Duchess Bourbon. The difference in their ages was 39 years. She the daughter of John Bourbon VIII Count Vendôme and Isabelle Beauvau Countess Vendôme. He the son of Charles Bourbon I Duke Bourbon and Agnes Valois Duchess Bourbon. They were fourth cousins. He a great x 5 grandson of King Edward "Longshanks" I of England.

Before 1488 John Wingfield and Anne Tuchet (age 32) were married. They were fourth cousins. He a great x 5 grandson of King Edward "Longshanks" I of England.

On 14 May 1488 Rene Valois Duke Alençon (age 34) and Margaret Lorraine Duchess Alençon (age 25) were married. She by marriage Duchess Alençon. She the daughter of Frederick Lorraine Count Vaudémont and Yolande Valois Anjou. He the son of John Valois II Duke Alençon and Marie Armagnac Duchess Alençon. They were fourth cousins. He a great x 5 grandson of King Henry III of England.

Before 1492 Henry Grey 4th or 7th Baron Grey of Codnor (age 57) and Katherine Stourton Baroness Grey Codnor (age 36) were married. She by marriage Baroness Grey of Codnor. The difference in their ages was 20 years. They were fourth cousins.

Around 1492 John Savage of Frodsham (age 22) and Anne Bostock (age 13) were married. They were fourth cousins.

After 1492 Anthony Browne (age 48) and Lucy Neville (age 24) were married. The difference in their ages was 24 years. She the daughter of John Neville 1st Marquess Montagu and Isabel Ingaldsthorpe. They were fourth cousins. She a great x 3 granddaughter of King Edward III of England.

On 22 Oct 1494 Henry Wentworth 4th Baron Despencer (age 46) and Elizabeth Neville Baroness Scrope and Despencer were married. She by marriage Baroness Despencer. She the daughter of John Neville 1st Marquess Montagu and Isabel Ingaldsthorpe. They were fourth cousins. He a great x 4 grandson of King Edward III of England. She a great x 3 granddaughter of King Edward III of England.

Before 1495 William Hay 4th Earl Erroll and Christian Lyon Countess Erroll (age 12) were married. He the son of William Hay 3rd Earl Erroll (age 45) and Isabel Gordon Countess Erroll. They were fourth cousins. He a great x 4 grandson of King Edward III of England.

In 1498 Thomas Boleyn 1st Earl Wiltshire and Ormonde (age 21) and Elizabeth Howard Countess of Wiltshire and Ormonde (age 18) were married. She the daughter of Thomas Howard 2nd Duke of Norfolk (age 55) and Elizabeth Tilney Countess of Surrey. They were fourth cousins.

In or before 1499 David Murray of Arngask, Balvaird and Kippo and Janet Lindsay were married. They were fourth cousins.

Before 14 Aug 1499 George de Vere (age 56) and Margaret Stafford (age 49) were married. He the son of John de Vere 12th Earl of Oxford and Elizabeth Howard Countess of Oxford. They were fourth cousins.

Before 1500 John Arundell of Lanherne (age 26) and Eleanor Grey were married. She the daughter of Thomas Grey 1st Marquess Dorset (age 44) and Cecily Bonville Marchioness Dorset (age 39). They were fourth cousins. She a great x 4 granddaughter of King Edward III of England.

Before 1508 Thomas Knyvet (age 23) and Muriel Howard Viscountess Lisle (age 22) were married. She the daughter of Thomas Howard 2nd Duke of Norfolk (age 64) and Elizabeth Tilney Countess of Surrey. They were fourth cousins.

Before 1510 John Talbot of Albrighton (age 25) and Margaret Troutbeck (age 17) were married. They were fourth cousins.

Before 1511 James Berkeley of Thornbury (age 38) and Susan Fitzalan were married. They were fourth cousins. He a great x 5 grandson of King Edward "Longshanks" I of England. She a great x 4 granddaughter of King Edward III of England.

Before 07 Jul 1512 Colin Campbell 3rd of Glenorchy (age 32) and Margery Stewart were married. She the daughter of John Stewart 1st Earl Atholl (age 72) and Eleanor Sinclair Countess Atholl (age 55). They were fourth cousins. She a great x 3 granddaughter of King Edward III of England.

Before Dec 1512 Ralph Neville 4th Earl of Westmoreland (age 14) and Katherine Stafford Countess of Westmoreland (age 13) were married. She by marriage Countess of Westmoreland. She the daughter of Edward Stafford 3rd Duke of Buckingham (age 34) and Eleanor Percy Duchess Buckingham. They were fourth cousins. He a great x 5 grandson of King Edward III of England. She a great x 5 granddaughter of King Edward III of England.

In or before 1513 Henry Clifford 1st Earl of Cumberland (age 20) and Margaret Percy Baroness Clifford (age 12) were married. She by marriage Baroness de Clifford. She the daughter of Henry Percy 5th Earl of Northumberland (age 34) and Katherine Spencer Countess Northumberland (age 35). They were fourth cousins. He a great x 5 grandson of King Edward "Longshanks" I of England. She a great x 4 granddaughter of King Edward III of England.

On 09 Jun 1513 Claude Lorraine 1st Duke Guise (age 16) and Antoinette Bourbon Duchess of Guise (age 20) were married. She the daughter of Francis Bourbon Count Vendôme and Soissons and Marie Luxemburg Countess Vendôme and Soissons. He the son of René Lorraine II Duke Lorraine Duke of Bar and Philippa Egmont Duchess of Bar Duchess Lorraine (age 46). They were fourth cousins. She a great x 5 granddaughter of King Edward III of England.

Before 1520 John Neville 3rd Baron Latimer (age 26) and Dorothy de Vere were married. They were fourth cousins. He a great x 4 grandson of King Edward III of England.

Before 1525 John Dudley 3rd Baron Dudley (age 31) and Cecily Grey Baroness Dudley were married. She the daughter of Thomas Grey 1st Marquess Dorset and Cecily Bonville Marchioness Dorset (age 64). They were fourth cousins. She a great x 4 granddaughter of King Edward III of England.

Before 1526 Henry Somerset 2nd Earl of Worcester (age 30) and Elizabeth Browne Countess of Worcester (age 23) were married. She by marriage Countess Worcester. He the son of Charles Somerset 1st Earl of Worcester (age 65) and Elizabeth Herbert 3rd Baroness Herbert Raglan. They were fourth cousins. He a great x 4 grandson of King Edward III of England. She a great x 4 granddaughter of King Edward III of England.

After 15 Mar 1526 Leonard Grey 1st Viscount Grane (age 47) and Eleanor Dudley Countess Somerset (deceased) were married. She by marriage Viscountess Grane. He the son of Thomas Grey 1st Marquess Dorset and Cecily Bonville Marchioness Dorset (age 65). They were fourth cousins. He a great x 4 grandson of King Edward III of England.

In 1529 Edward Burgh and Catherine Parr Queen Consort England (age 16) were married. They were fourth cousins. He a great x 5 grandson of King Edward III of England. She a great x 5 granddaughter of King Edward III of England.

Before 01 Sep 1532 Robert Radclyffe 1st Earl of Sussex (age 49) and Margaret Stanley Countess Sussex were married. She by marriage Countess of Sussex. She the daughter of Thomas Stanley 2nd Earl of Derby and Anne Hastings Countess Derby (age 47). They were fourth cousins. She a great x 5 granddaughter of King Edward III of England.

In or before 1538 Thomas Wentworth 1st Baron Wentworth (age 37) and Margaret Fortescue Baroness Wentworth (age 35) were married. They were fourth cousins. She a great x 5 granddaughter of King Edward III of England.

On 28 Apr 1539 George Talbot 6th Earl of Shrewsbury (age 11) and Gertrude Manners Countess Shrewsbury and Waterford (age 14) were married. She the daughter of Thomas Manners 1st Earl of Rutland (age 47) and Eleanor Paston Countess Rutland (age 44). He the son of Francis Talbot 5th Earl of Shrewsbury (age 39) and Mary Dacre. They were fourth cousins. He a great x 5 grandson of King Edward III of England. She a great x 5 granddaughter of King Edward III of England.

Before 1544 Henry Daubeney 1st Earl Bridgewater (age 50) and Elizabeth Neville (age 52) were married. They were fourth cousins. She a great x 4 granddaughter of King Edward III of England.

Around 1544 William Keith Master of Marischal (age 17) and Elizabeth Hay (age 13) were married. She the daughter of George Hay 7th Earl Erroll (age 36) and Margaret Robertson Countess Erroll. He the son of William Keith 4th Earl Marischal (age 37) and Margaret Keith Countess Marischal (age 33). They were fourth cousins.

Before 1545 John Neville 4th Baron Latimer of Snape (age 25) and Lucy Somerset Baroness Latimer Snape (age 20) were married. She by marriage Baroness Latimer of Snape. She the daughter of Henry Somerset 2nd Earl of Worcester (age 48) and Elizabeth Browne Countess of Worcester (age 42). They were fourth cousins. He a great x 5 grandson of King Edward III of England. She a great x 5 granddaughter of King Edward III of England.

Before Jun 1545 Hugh Montgomerie 1st Earl Eglinton (age 85) and Helen Campbell Countess Eglinton were married. She by marriage Countess Eglinton. She the daughter of Colin Campbell 1st Earl Argyll and Isabella Stewart Countess Argyll. They were fourth cousins.

Before 1548 Marmaduke Constable and Jane Conyers were married. They were fourth cousins. He a great x 5 grandson of King Edward III of England. She a great x 5 granddaughter of King Edward III of England.

In 1548 William Parr 1st Marquess Northampton (age 36) and Elisabeth Brooke Marchioness Northampton (age 21) were married. She by marriage Marchioness Northampton. They were fourth cousins. He a great x 5 grandson of King Edward III of England. She a great x 5 granddaughter of King Edward III of England.

In 1549 Warham St Leger (age 24) and Ursula Neville (age 21) were married at St Martin's Church, Ludgate. They were fourth cousins. She a great x 4 granddaughter of King Edward III of England.

On 07 Feb 1555 Henry Stanley 4th Earl of Derby (age 23) and Margaret Clifford Countess Derby (age 15) were married. She the daughter of Henry Clifford 2nd Earl of Cumberland (age 38) and Eleanor Brandon Countess Cumberland. He the son of Edward Stanley 3rd Earl of Derby (age 45) and Dorothy Howard Countess Derby (age 44). They were fourth cousins. She a great granddaughter of King Henry VII of England and Ireland.

In 1558 Thomas Howard 4th Duke of Norfolk (age 21) and Margaret Audley Duchess Norfolk (age 18) were married. She by marriage Duchess Norfolk, Countess Surrey. They were fourth cousins.

Before 1559 Robert Plunkett 5th Baron Dunsany and Eleanor Darcy Baroness Dunsany were married. They were fourth cousins.

In 1559 Charles "The Great" Lorraine III Duke Lorraine (age 15) and Claude Valois Duchess Lorraine (age 11) were married. She by marriage Duchess Lorraine. She the daughter of King Henry II of France (age 39) and Catherine Medici Queen Consort France (age 39). He the son of Francis Lorraine I Duke Lorraine and Christina Oldenburg Duchess Lorraine (age 37). They were fourth cousins.

After 1559 Henry Manners 2nd Earl of Rutland (age 32) and Bridget Hussey Countess Bedford (age 33) were married. He the son of Thomas Manners 1st Earl of Rutland and Eleanor Paston Countess Rutland. They were fourth cousins. He a great x 5 grandson of King Edward III of England. She a great x 5 granddaughter of King Edward III of England.

Around 1561 Walter Devereux 1st Earl Essex (age 19) and Lettice Knollys Countess Essex (age 17) were married. She by marriage Viscountess Hereford. They were fourth cousins.

On 08 Feb 1562 James Stewart 1st Earl Moray Regent (age 31) and Agnes Keith Countess Moray and Argyll (age 31) were married at Holyrood. She by marriage Countess Moray. She the daughter of William Keith 4th Earl Marischal (age 55) and Margaret Keith Countess Marischal. He the illegitmate son of King James V of Scotland and Margaret Erskine (age 46). They were fourth cousins. He a great grandson of King Henry VII of England and Ireland.

On 10 Aug 1562 Hugh Montgomerie 3rd Earl Eglinton (age 31) and Agnes Drummond Countess Eglinton (age 39) were married. She by marriage Countess Eglinton. He the son of Hugh Montgomerie 2nd Earl Eglinton and Marion Seton Countess Eglinton. They were fourth cousins.

On 26 Nov 1570 Charles IX King France (age 20) and Elisabeth of Austria Queen Consort France (age 16) were married. She by marriage Queen Consort of France. She the daughter of Maximilian Habsburg Spain II Holy Roman Emperor (age 43) and Maria of Spain Holy Roman Empress (age 42). He the son of King Henry II of France and Catherine Medici Queen Consort France (age 51). They were fourth cousins.

Around 17 Feb 1571 John Maxwell 1st Earl Morton (age 17) and Elizabeth Douglas Countess Morton were married. She by marriage Countess Morton. She the daughter of David Douglas 7th Earl Angus and Margaret Hamilton Countess Angus. They were fourth cousins.

Around 1572 William Courtenay 3rd Earl Devon (age 19) and Elizabeth Manners (age 19) were married. She the daughter of Henry Manners 2nd Earl of Rutland and Margaret Neville Countess Rutland. He the son of William Courtenay 2nd Earl Devon and Elizabeth Paulett Countess Devon. They were fourth cousins.

On 26 Jan 1584 Alexander Livingston 1st Earl Linlithgow and Helen Hay were married. She the daughter of Andrew Hay 8th Earl Erroll (age 53) and Jean Hay (age 44). They were fourth cousins.

On 27 Jun 1584 Francis Hay 9th Earl Erroll (age 20) and Margaret Stewart Countess Erroll (age 15) were married. She by marriage Countess Erroll. She the daughter of James Stewart 1st Earl Moray Regent and Agnes Keith Countess Moray and Argyll (age 53). He the son of Andrew Hay 8th Earl Erroll (age 53) and Jean Hay (age 44). They were fourth cousins. She a great x 2 granddaughter of King Henry VII of England and Ireland.

In 1585 Henry Wentworth 3rd Baron Wentworth (age 26) and Anne Hopton Baroness Wentworth (age 24) were married. She by marriage Baroness Wentworth. They were fourth cousins.

On 08 Nov 1596 a double marriage ceremony, both daughters of Edward Somerset 4th Earl of Worcester (age 46) was held at Essex House. William Petre 2nd Baron Petre (age 21) and Katherine Somerset Baroness Petre (age 21) were married. Henry Guildford (age 30) and Elizabeth Somerset (age 6) were married. The difference in their ages was 24 years. She the daughter of Edward Somerset 4th Earl of Worcester (age 46) and Elizabeth Hastings Countess of Worcester (age 50). She the daughter of Edward Somerset 4th Earl of Worcester (age 46) and Elizabeth Hastings Countess of Worcester (age 50). They were fourth cousins.

On 29 Nov 1597 Edward Stafford (age 45) and Douglas Howard Baroness Sheffield (age 55) were married. They were fourth cousins.

In 1598 Edmund Carey (age 40) and Elizabeth Neville (age 48) were married. The marriage was, perhaps, a means of procuring a pardon for her two sons who had previously shot and killed a neighbour, and fled abroad. A payment was made to the bereaved family and the sons were allowed to return. They were fourth cousins.

On 17 Dec 1600 Henry IV King France (age 47) and Marie de Medici Queen Consort France (age 25) were married. She by marriage Queen Consort of France. The difference in their ages was 21 years. He the son of Antoine King Navarre and Jeanne Albret III Queen Navarre. They were fourth cousins.

On 15 Jan 1601 Henry Hastings 5th Earl Huntingdon (age 14) and Elizabeth Stanley Countess Huntingdon (age 13) were married. She the daughter of Ferdinando Stanley 5th Earl of Derby and Alice Spencer Countess Derby (age 51). They were fourth cousins. She a great x 3 granddaughter of King Henry VII of England and Ireland.

In 1603 Robert Devereux 3rd Earl Essex (age 11) and Frances Howard Countess Essex and Somerset (age 12) were married. They were separated after the wedding given their young age. Essex went on a European tour from 1607 to 1609. When he returned she avoided him having fallen for Robert Carr 1st Earl Somerset (age 16) whilst her husband was away. He was ill with smallpox. She sought an annulment with her father Robert Devereux 2nd Earl Essex and uncle Henry Howard 1st Earl of Northampton (age 62) acting for her. She maintained the marriage had not been consummated and was examined by ten matrons and two midwives who found her hymen intact. It was widely rumoured at the time that Sir Thomas Monson's (age 38) daughter was a substitute, which is possible because she had requested to be veiled during the examination "for modesty's sake". He maintained he was capable with other women, but was unable to consummate his marriage blaming her. She the daughter of Thomas Howard 1st Earl Suffolk (age 41) and Catherine Knyvet Countess Suffolk (age 39). He the son of Robert Devereux 2nd Earl Essex and Frances Walsingham Countess Essex (age 36). They were fourth cousins.

After 1605 William Sandys 3rd Baron Sandys Vyne (age 60) and Anne Baker were married. They were fourth cousins.

In or before 1609 George Wharton (age 26) and Anne Manners (age 20) were married. She the daughter of John Manners 4th Earl of Rutland and Elizabeth Charlton Countess Rutland. They were fourth cousins.

On 11 Apr 1611 Thomas Wharton (age 23) and Philadelphia Carey were married. She the daughter of Robert Carey 1st Earl Monmouth (age 51) and Elizabeth Trevannion Countess Monmouth (age 48). They were fourth cousins.

Before 17 Jan 1612 Ferdinando Fairfax 2nd Lord Fairfax of Cameron (age 27) and Mary Sheffield (age 24) were married. She the daughter of Edmund Sheffield 1st Earl Mulgrave (age 46) and Ursula Tyrwhitt (age 72). They were fourth cousins.

Before Oct 1612 John Graham 4th Earl Montrose (age 39) and Margaret Ruthven Countess Montrose were married. She by marriage Countess Montrose. She the daughter of William Ruthven 1st Earl Gowrie and Dorothea Stewart Countess Gowrie. He the son of John Graham 3rd Earl Montrose. They were fourth cousins.

In 1614 Thomas Howard 1st Earl Berkshire (age 26) and Elizabeth Cecil Countess Berkshire (age 18) were married. She the daughter of William Cecil 2nd Earl Exeter (age 48) and Elizabeth Drury Countess Exeter (age 35). He the son of Thomas Howard 1st Earl Suffolk (age 52) and Catherine Knyvet Countess Suffolk (age 50). They were fourth cousins.

On 03 Mar 1617 William Seymour 2nd Duke Somerset (age 29) and Frances Devereux Duchess of Somerset (age 17) were married at Drayton Bassett, Staffordshire [Map]. She the daughter of Robert Devereux 2nd Earl Essex and Frances Walsingham Countess Essex (age 50). They were fourth cousins. He a great x 3 grandson of King Henry VII of England and Ireland.

In 1620 Robert Petre 3rd Baron Petre (age 20) and Mary Browne Baroness Petre were married. She by marriage Baroness Petre. They were fourth cousins.

On 19 Jul 1620 Henry Grey 1st Earl Stamford (age 21) and Anne Cecil (age 24) were married. She by marriage Baroness Grey of Groby. She the daughter of William Cecil 2nd Earl Exeter (age 54) and Elizabeth Drury Countess Exeter (age 42). They were fourth cousins.

On 18 Dec 1622 John Paulet 5th Marquess Winchester (age 24) and Jane Savage Marchioness Winchester were married. She the daughter of Thomas Savage 1st Viscount Savage (age 36) and Elizabeth Darcy 1st Countess Rivers (age 41). He the son of William Paulet 4th Marquess Winchester (age 63) and Lucy Cecil Marchioness Winchester. They were fourth cousins.

Before 1624 George Gordon 2nd Marquess Huntly (age 32) and Anna Campbell Marchioness Huntly were married. She by marriage Marchioness Huntly. She the daughter of Archibald Campbell 7th Earl Argyll (age 48) and Agnes Douglas Countess Argyll. He the son of George Gordon 1st Marquess Huntly (age 61) and Henrietta Stewart Marchioness Huntly (age 50). They were fourth cousins.

On 06 Jul 1626 Mildmay Fane 2nd Earl of Westmoreland (age 24) and Grace Thornhurst Countess of Westmoreland (age 22) were married. He the son of Francis Fane 1st Earl of Westmoreland (age 46) and Mary Mildmay Countess of Westmoreland (age 44). They were fourth cousins.

On 11 Mar 1630 Robert Devereux 3rd Earl Essex (age 39) and Elizabeth Paulet Countess Essex were married. She by marriage Countess Essex. He the son of Robert Devereux 2nd Earl Essex and Frances Walsingham Countess Essex (age 63). They were fourth cousins.

In 1631 Hugh Montgomerie 7th Earl Eglinton (age 18) and Mary Leslie Countess of Eglinton (age 12) were married. She by marriage Countess Eglinton. She the daughter of John Leslie 6th Earl Rothes (age 31) and Anne Erskine Countess of Rothes (age 33). He the son of Alexander Seton aka Montgomerie 6th Earl Eglinton (age 43) and Anne Livingstone Countess Eglinton. They were fourth cousins.

On 14 Feb 1631 John Cope 3rd Baronet (age 22) and Elizabeth Fane (age 23) were married. She the daughter of Francis Fane 1st Earl of Westmoreland and Mary Mildmay Countess of Westmoreland (age 49). They were fourth cousins.

In 1632 James Hay 2nd Earl Carlisle (age 20) and Margaret Russell Countess Manchester and Carlisle were married. She the daughter of Francis Russell 4th Earl Bedford (age 39) and Catherine Brydges Countess Bedford (age 52). He the son of James Hay 1st Earl Carlisle (age 52) and Honora Denny. They were fourth cousins.

In or before 1633 Henry Arundell 3rd Baron Arundel (age 24) and Cicely Compton Baroness Arundel Wardour (age 22) were married. She by marriage Baroness Arundel of Wardour in Wiltshire. They were fourth cousins.

Around 08 Mar 1636 Walter Vavasour 2nd Baronet and Ursula Belasyse (age 19) were married. They were fourth cousins.

In Dec 1636 Christopher Wyvill 3rd Baronet (age 21) and Ursula Darcy Lady Wyvill (age 17) were married. She the daughter of Conyers Darcy 1st Earl Holderness (age 37) and Grace Rokeby Countess Holderness (age 36). They were fourth cousins.

On 06 Jul 1637 Francis Browne 3rd Viscount Montagu (age 27) and Elizabeth Somerset Viscountess Montague (age 19) were married. She by marriage Viscountess Montagu. She the daughter of Henry Somerset 1st Marquess Worcester (age 60) and Anne Russell 2nd Marchioness Worcester (age 59). They were fourth cousins.

After 28 Oct 1638 Edward Stourton (age 21) and Mary Petre were married. They were fourth cousins.

In 1641 John Egerton 2nd Earl Bridgewater (age 17) and Elizabeth Cavendish Countess Bridgewater (age 14) were married. She the daughter of William Cavendish 1st Duke Newcastle upon Tyne (age 48) and Elizabeth Bassett Countess Newcastle upon Tyne (age 49). He the son of John Egerton 1st Earl Bridgewater (age 62) and Frances Stanley Countess Bridgewater. They were fourth cousins. He a great x 4 grandson of King Henry VII of England and Ireland. She a great x 5 granddaughter of King Edward IV of England.

In 1645 William Cavendish 1st Duke Newcastle upon Tyne (age 52) and Margaret Lucas Duchess Newcastle upon Tyne (age 22) were married. The difference in their ages was 30 years. They were fourth cousins. He a great x 4 grandson of King Edward IV of England.

On 28 Jun 1648 Henry Seymour (age 22) and Mary Capell Duchess Beaufort (age 17) were married at Little Hadham, Hertfordshire [Map]. He the son of William Seymour 2nd Duke Somerset (age 60) and Frances Devereux Duchess of Somerset (age 48). They were fourth cousins. He a great x 4 grandson of King Henry VII of England and Ireland.

On 07 Jul 1648 Henry Howard (age 28) and Elizabeth Spencer Baroness Craven (age 31) were married. He the son of Thomas Howard 1st Earl Berkshire (age 60) and Elizabeth Cecil Countess Berkshire (age 52). They were fourth cousins.

After 16 Sep 1651 Chichester Wrey 3rd Baronet (age 23) and Anne Bourchier Countess Middlesex (age 20) were married. She by marriage Lady Wrey of Trebitch in Cornwall. She the daughter of Edward Bourchier 4th Earl Bath and Dorothy St John Countess Bath. They were fourth cousins.

Before 25 Jun 1652 Charles Dormer 2nd Earl Carnarvon (age 19) and Elizabeth Capell Countess Carnarvon (age 19) were married. She by marriage Countess Carnarvon. He the son of Robert Dormer 1st Earl Carnarvon and Anne Sophia Herbert Countess Carnarvon. They were fourth cousins.

In 1654 Charles Seymour 2nd Baron Seymour Trowbridge (age 33) and Eizabeth Alington 2nd Baroness Seymour Trowbridge (age 18) were married. She by marriage Baroness Seymour Trowbridge. They had five sons and two daughters. They were fourth cousins. He a great x 4 grandson of King Henry VII of England and Ireland.

On 27 Feb 1654 William Wentworth 2nd Earl Strafford (age 27) and Henriette Stanley Countess Strafford (age 23) were married. She the daughter of James Stanley 7th Earl of Derby and Charlotte Thouars Countess Derby (age 54). He the son of Thomas Wentworth 1st Earl Strafford and Arabella Holles. They were fourth cousins. She a great x 4 granddaughter of King Henry VII of England and Ireland.

In Apr 1654 John Stewart 2nd Earl Traquair (age 30) and Anne Seton (age 19) were married. She the daughter of George Seton 3rd Earl Winton and Elizabeth Maxwell Countess Winton. He the son of John Stewart 1st Earl Traquair (age 54) and Catherine Carnegie Countess Traquair (age 54). They were fourth cousins.

In 1657 William Douglas 1st Duke Queensberry (age 20) and Isabel Douglas Countess Queensberry (age 14) were married. She the daughter of William Douglas 1st Marquess Douglas (age 68) and Mary Gordon Marchioness Douglas (age 57). He the son of James Douglas 2nd Earl Queensberry (age 34) and Margaret Stewart Countess Queensberry. They were fourth cousins.

On 21 Oct 1658 William Brereton 3rd Baron Brereton (age 27) and Frances Willoughby Baroness Brereton (age 33) were married at St Margaret Pattens. They were fourth cousins.

In or after 1663 William Crofts 1st Baron Crofts (age 52) and Elizabeth Spencer Baroness Craven (age 46) were married. They were fourth cousins.

Before 25 Feb 1663 William Crofts 1st Baron Crofts (age 52) and Dorothy Hobart (age 43) were married. They were fourth cousins. She a great x 5 granddaughter of King Henry VII of England and Ireland.

On 07 Nov 1664 John Egerton 3rd Earl Bridgewater (age 17) and Elizabeth Cranfield were married. She the daughter of James Cranfield 2nd Earl Middlesex and Anne Bourchier Countess Middlesex (age 33). He the son of John Egerton 2nd Earl Bridgewater (age 41) and Elizabeth Cavendish Countess Bridgewater. They were fourth cousins. He a great x 5 grandson of King Henry VII of England and Ireland.

Before 1665 William Petre 4th Baron Petre (age 39) and Elizabeth Savage Baroness Petre were married. She by marriage Baroness Petre. She the daughter of John Savage 2nd Earl Rivers and Catherine Parker. They were fourth cousins.

On 28 Aug 1665 Charles Gordon 1st Earl Aboyne (age 27) and Elizabeth Lyon Countess Aboyne (age 18) were married. She by marriage Countess Aboyne. She the daughter of John Lyon 2nd Earl Kinghorne and Elizabeth Maule Countess Kinghorne and Linlithgow. He the son of George Gordon 2nd Marquess Huntly and Anna Campbell Marchioness Huntly. They were fourth cousins.

On 15 Jun 1667 Christian V King Denmark and Norway (age 21) and Charlotte Amalie Hesse-Kassel Queen Consort Denmark and Norway (age 17) were married. She the daughter of Wilhelm "The Just" VI Hesse-Kassel and Hedwig Sophia Hohenzollern (age 43). He the son of Frederick III King Denmark (age 58) and Sophie Amalie Hanover Queen Consort Denmark (age 39). They were fourth cousins.

In or before 1668 William Sandys 6th Baron Sandys and Mary Cecil were married. No issue. She the daughter of William Cecil 2nd Earl Salisbury (age 76) and Catherine Howard Countess Salisbury. They were fourth cousins.

In 1668 Robert Worsley 3rd Baronet (age 25) and Mary Herbert Countess Gainsborough were married. They were fourth cousins.

On 25 Mar 1669 Robert Maxwell 4th Earl Nithsdale (age 41) and Lucy Douglas Countess Nithsdale (age 25) were married. She the daughter of William Douglas 1st Marquess Douglas and Mary Gordon Marchioness Douglas (age 69). He the son of John Maxwell 3rd Earl Nithsdale (age 64). They were fourth cousins.

On 14 Nov 1669 Frederick Saxe Coburg Altenburg I Duke Saxe Gotha Altenburg (age 23) and Duchess Magdalena Sibylle of Saxe Gotha Altenburg (age 21) were married at Halle, Saxony-Anhalt. He the son of Ernest "The Pious" Saxe Gotha I Duke Saxe Gotha (age 67) and Elisabeth Sophie Saxe Altenburg Duchess Saxe Gotha (age 50). They were fourth cousins.

In Sep 1670 William Fleming 5th Earl Wigtown and Henrietta Seton Countess Wigtown (age 18) were married. She the daughter of Charles Seton 2nd Earl Dunfermline (age 54) and Mary Douglas Countess Dunfermline. He the son of John Fleming 3rd Earl Wigtown and Jean Drummond Countess Wigtown. They were fourth cousins.

On 25 Oct 1671 Johann Adolph I Duke Saxe Weissenfels (age 21) and Johanna Magdalena of Saxe-Altenburg (age 15) were married. She the daughter of Friedrich Wilhelm Wettin II Duke Saxe Altenburg. They were fourth cousins.

On 31 Aug 1676 Thomas Bruce 3rd Earl Elgin 2nd Earl Ailesbury (age 20) and Elizabeth Seymour Countess Elgin and Ailesbury (age 21) were married. She the daughter of Henry Seymour and Mary Capell Duchess Beaufort (age 45). He the son of Robert Bruce 2nd Earl Elgin 1st Earl Ailesbury (age 50). They were fourth cousins. She a great x 5 granddaughter of King Henry VII of England and Ireland.

Before 07 Aug 1681 John Mainwaring 2nd Baronet (age 25) and Elizabeth Whitley were married. They were fourth cousins.

On 26 Apr 1683 Edward Noel 1st Earl Gainsborough (age 42) and Mary Herbert Countess Gainsborough were married. She by marriage Countess Gainsborough. They were fourth cousins.

On 12 Jul 1683 George Downing 2nd Baronet (age 27) and Catherine Cecil Lady Downing were married. She the daughter of James Cecil 3rd Earl Salisbury and Margaret Manners Countess of Salisbury. They were fourth cousins.

Before 1687 William Spencer (age 56) and Elizabeth Gerard were married. They were fourth cousins.

After 12 Sep 1692 Charles Livingston 2nd Earl of Newburgh and Frances Brudenell Countess Newburgh were married. She by marriage Countess of Newburgh. He the son of James Livingston 1st Earl Newburgh and Catherine Howard Countess Newburgh. They were fourth cousins.

On 02 Apr 1695 William Savile 2nd Marquess Halifax (age 30) and Mary Finch Duchess Roxburghe (age 18) were married. She by marriage Marchioness Halifax. She the daughter of Daniel Finch 2nd Earl Nottingham 7th Earl Winchilsea (age 47) and Essex Rich 2nd Countess Nottingham. He the son of George Savile 1st Marquess Halifax (age 61) and Dorothy Spencer Lady Savile. They were fourth cousins.

On or after 04 Jun 1696, the date of their marriage license, John Guise 3rd Baronet (age 19) and Elizabeth Napier Lady Guise were married. She by marriage Lady Guise of Elmore in Gloucestershire. They were fourth cousins.

Before 01 Aug 1696 William Douglas 1st Earl March (age 26) and Jean Hay Countess March were married. She the daughter of John Hay 1st Marquess Teviotdale (age 70) and Jean Scott Marchioness Teviotdale. He the son of William Douglas 1st Duke Queensberry and Isabel Douglas Countess Queensberry. They were fourth cousins.

On 14 Apr 1702 John Paulett 1st Earl Paulett (age 34) and Bridget Bertie Countess Paulett were married. They were fourth cousins.

On 07 Jul 1702 Henry Somerset 2nd Duke Beaufort (age 18) and Mary Sackville 2nd Duchess Beaufort (age 13) were married. She by marriage Duchess Beaufort. She the daughter of Charles Sackville 6th Earl Dorset 1st Earl Middlesex (age 59) and Mary Compton Countess Dorset and Middlesex. They were fourth cousins.

On 02 Jan 1704 Frederick William I Duke Mecklenburg-Schwerin (age 28) and Sophie Charlotte Hesse-Kassel Duchess Mecklenburg-Schwerin (age 25) were married. She by marriage Duchess Mecklenburg Schwerin. She the daughter of Charles I Landgrave Hesse-Kassel (age 49) and Maria Amalia of Courland Landgravine Hesse-Kassel (age 50). They were fourth cousins.

On 26 Feb 1706 Henry Somerset 2nd Duke Beaufort (age 21) and Rachel Noel Duchess Beaufort (age 19) were married. She by marriage Duchess Beaufort. She the daughter of Wriothesley Baptist Noel 2nd Earl Gainsborough and Catherine Greville Duchess Buckingham and Normandby. They were fourth cousins.

On 22 Jul 1706 Lieutenant-General Harry Mordaunt (age 43) and Margaret Spencer (age 26) were married. They were fourth cousins.

In 1708 Frederick I King Prussia (age 50) and Sophia Louise Mecklenburg-Schwerin Queen Consort Prussia (age 22) were married. She by marriage Queen Consort Prussia. The difference in their ages was 27 years. He the son of Frederick William "Great Elector" Hohenzollern Elector Brandenburg and Luise Henriette Orange Nassau. They were fourth cousins.

In 1708 John Mordaunt (age 27) and Frances Powlett were married. She the daughter of Charles Paulet 2nd Duke Bolton (age 47) and Frances Ramsden. He the son of Charles Mordaunt 3rd Earl Peterborough 1st Earl Monmouth (age 50) and Carey Fraser Countess Peterborough and Monmouth (age 48). They were fourth cousins.

In 1709 Edward Watson (age 22) and Catherine Tufton (age 16) were married. She the daughter of Thomas Tufton 6th Earl of Thanet (age 64) and Catherine Cavendish Countess Isle Thanet (age 43). He the son of Lewis Watson 1st Earl Rockingham (age 53) and Catherine Sondes Countess Rockingham (age 50). They were fourth cousins.

On 12 Feb 1709 James Cecil 5th Earl Salisbury (age 17) and Anne Tufton Countess of Salisbury were married. She the daughter of Thomas Tufton 6th Earl of Thanet (age 64) and Catherine Cavendish Countess Isle Thanet (age 44). He the son of James Cecil 4th Earl Salisbury and Frances Bennett Countess of Salisbury (age 38). They were fourth cousins.

Before 09 Nov 1709 Berkeley Lucy 3rd Baronet (age 37) and Catherine Cotton were married. They were fourth cousins.

On 13 Mar 1712 John Leveson-Gower 1st Earl Gower (age 17) and Evelyn Pierrepont Baroness Gower (age 21) were married. She by marriage Baroness Gower. She the daughter of Evelyn Pierrepont 1st Duke Kingston upon Hull (age 57) and Mary Fielding Countess Kingston upon Hull. They were fourth cousins.

On 20 May 1714 James Waldegrave 1st Earl Waldegrave (age 30) and Mary Webb Countess Waldegrave (age 19) were married. He the son of Henry Waldegrave 1st Baron Waldegrave Chewton Somerset and Henrietta Fitzjames Countess Newcastle (age 47). They were fourth cousins. He a grandson of King James II of England Scotland and Ireland.

Before 26 May 1714 George Mordaunt (age 44) and Catherine Spencer (age 34) were married. They were fourth cousins.

In 1717 Rich Ingram 5th Viscount Irvine (age 28) and Anne Howard Viscountess Irvine (age 21) were married. She by marriage Viscountess Irvine. She the daughter of Charles Howard 3rd Earl Carlisle (age 48) and Anne Capell Countess Carlisle (age 43). They were fourth cousins.

On 27 Nov 1718 William Capell 3rd Earl Essex (age 21) and Jane Hyde Countess Essex were married. She by marriage Countess Essex. She the daughter of Henry Hyde 2nd Earl Rochester 4th Earl Clarendon (age 46) and Jane Leveson-Gower Countess Rochester and Clarendon. He the son of Algernon Capell 2nd Earl Essex and Mary Bentinck Countess Essex (age 39). They were fourth cousins.

On 27 Jun 1724 Thomas Lumley-Saunderson 3rd Earl Scarborough (age 33) and Frances Hamilton Countess Scarborough were married. She the daughter of George Hamilton 1st Earl Orkney (age 58) and Elizabeth Villiers Countess Orkney (age 67). He the son of Richard Lumley 1st Earl Scarborough and Frances Jones Countess Scarborough. They were fourth cousins.

On 29 Oct 1726 Henry Pelham (age 32) and Catherine Manners were married. She the daughter of John Manners 2nd Duke Rutland and Catherine Russell Duchess Rutland. They were fourth cousins.

In 1728 Francis North 1st Earl Guildford (age 23) and Lucy Montagu Baroness Guildford were married. She the daughter of George Montagu 1st Earl Halifax (age 44) and Ricarda Posthuma Saltonstale. They were fourth cousins.

In 1734 Willam Karel Hendrik Friso Orange Nassau (age 22) and Princess Anne Hanover (age 24) were married at St James's Palace [Map]. She the daughter of King George II of Great Britain and Ireland (age 50) and Caroline Hohenzollern Queen Consort England (age 50). They were fourth cousins.

On 16 May 1736 John Leveson-Gower 1st Earl Gower (age 41) and Mary Tufton Countess Gower were married. She by marriage Baroness Gower. She the daughter of Thomas Tufton 6th Earl of Thanet and Catherine Cavendish Countess Isle Thanet. They were fourth cousins.

In 1738 Charles III King Spain (age 21) and Maria Amalia of Saxony Queen Consort Spain (age 13) were married. He the son of Philippe V King Spain (age 54) and Elisabeth Farnese Queen Consort Spain (age 45). They were fourth cousins. She a great x 4 granddaughter of King James I of England and Ireland and VI of Scotland.

Before 21 Oct 1739 William Montagu 2nd Duke Manchester (age 39) and Isabella Montagu Duchess Manchester (age 33) were married. She by marriage Duchess Manchester. She the daughter of John Montagu 2nd Duke Montagu (age 49) and Mary Churchill Duchess Montagu (age 50). He the son of Charles Montagu 1st Duke Manchester and Doddington Greville Duchess Manchester. They were fourth cousins.

On 08 May 1740 Frederick Hesse-Kassel (age 19) and Mary Hanover (age 17) were married. She the daughter of King George II (age 56). She the daughter of King George II of Great Britain and Ireland (age 56) and Caroline Hohenzollern Queen Consort England. He the son of William Hesse-Kassel (age 58). They were fourth cousins.

On 03 Sep 1741 Cosmo George Gordon 3rd Duke Gordon (age 21) and Catherine Gordon Duchess Gordon (age 23) were married. She by marriage Duchess Gordon. She the daughter of William Gordon 2nd Earl Aberdeen (age 62) and Susan Murray. He the son of Alexander Gordon 2nd Duke Gordon and Henrietta Mordaunt Duchess Gordon. They were fourth cousins.

In 1743 Henry Howard 4th Earl Carlisle (age 48) and Isabella Byron Countess Carlisle (age 21) were married. She by marriage Countess Carlisle. The difference in their ages was 27 years. He the son of Charles Howard 3rd Earl Carlisle and Anne Capell Countess Carlisle (age 69). They were fourth cousins.

On 12 Sep 1745 Francis Charteris de jure 7th Earl Wemyss (age 21) and Catherine Gordon Countess Wemyss (age 32) were married. She the daughter of Alexander Gordon 2nd Duke Gordon and Henrietta Mordaunt Duchess Gordon. He the son of James Wemyss 5th Earl Wemyss (age 46) and Janet Charteris. They were fourth cousins.

On 11 Oct 1749 William Stourton 16th Baron Stourton (age 45) and Winifrede Howard Baroness Stourton (age 23) were married. The difference in their ages was 22 years. They were fourth cousins.

In or before 1757 Henry Arundell 6th Baron Arundel and Anne Herbert Baroness Arundel Wardour were married. She by marriage Baroness Arundel of Wardour in Wiltshire. She the daughter of William Herbert 2nd Marquess Powis and Mary Preston Marchioness Powis. They were fourth cousins.

In 1762 George Spencer 4th Duke Marlborough (age 22) and Caroline Russell Duchess Marlborough (age 18) were married. She by marriage Duchess Marlborough. She the daughter of John Russell 4th Duke Bedford (age 51) and Gertrude Leveson-Gower Duchess Bedford. He the son of Charles Spencer 3rd Duke Marlborough and Elizabeth Trevor Duchess Marlborough. They were fourth cousins.

On 27 Nov 1765 Thomas Stapleton 5th Baronet (age 38) and Mary Fane Lady Stapleton (age 21) were married. She by marriage Lady Stapleton of Leeward Islands. They were fourth cousins.

On 02 May 1767 Henry Scott 3rd Duke Buccleuch (age 20) and Elizabeth Montagu Duchess Buccleuch (age 23) were married at Montagu House Whitehall Palace. She by marriage Duchess Buccleuch. She the daughter of George Brudenell aka Montagu 1st Duke Montagu (age 54) and Mary Montagu Duchess Montagu (age 56). They were fourth cousins. He a great x 3 grandson of King Charles II of England Scotland and Ireland.

On 07 Jun 1774 William Cavendish 5th Duke Devonshire (age 26) and Georgiana Spencer Duchess Devonshire (age 17) were married in St Mary's Church, Wimbledon. It was her 17th birthday. She by marriage Duchess Devonshire. She the daughter of John Spencer 1st Earl Spencer (age 39) and Margaret Georgiana Poyntz Countess Spencer (age 37). He the son of William Cavendish 4th Duke Devonshire and Charlotte Elizabeth Boyle Marchioness Hartington. They were fourth cousins.

On 19 Aug 1776 Charles Dillon Lee 12th Viscount Dillon (age 30) and Henrietta Maria Phipps (age 19) were married. They were fourth cousins. He a great x 2 grandson of King Charles II of England Scotland and Ireland. She a great x 2 granddaughter of King James II of England Scotland and Ireland.

On 27 Feb 1782 George Augustus Henry Cavendish 1st Earl Burlington (age 27) and Elizabeth Compton Countess Burlington (age 21) were married at London. She by marriage Countess Burlington. She the daughter of Charles Compton 7th Earl of Northampton and Anne Somerset Countess Northampton. He the son of William Cavendish 4th Duke Devonshire and Charlotte Elizabeth Boyle Marchioness Hartington. They were fourth cousins.

In 1785 Hugh Seymour-Conway (age 25) and Anne Horatia Waldegrave (age 23) were married. She the daughter of James Waldegrave 2nd Earl Waldegrave and Maria Walpole Duchess Gloucester and Edinburgh (age 48). He the son of Francis Seymour-Conway 1st Marquess Hertford (age 66) and Isabella Fitzroy Countess Hertford. They were fourth cousins. He a great x 2 grandson of King Charles II of England Scotland and Ireland. She a great x 2 granddaughter of King James II of England Scotland and Ireland.

On 18 Apr 1785 George Hay 7th Marquess Tweedale (age 32) and Hannah Maitland Marchioness Teviotdale (age 35) were married. She the daughter of John Maitland 7th Earl Lauderdale (age 67) and Mary Turner Lombe Countess Launderdale. They were fourth cousins.

On 16 Jan 1788 Robert Edward Petre 9th Baron Petre (age 45) and Juliana Barbara Howard Baroness Petre (age 18) were married. The difference in their ages was 27 years. They were fourth cousins. He a great x 2 grandson of King Charles II of England Scotland and Ireland.

On 22 Apr 1799 John Henry Manners 5th Duke Rutland (age 21) and Elizabeth Howard Duchess Rutland (age 18) were married. She by marriage Duchess Rutland. She the daughter of Frederick Howard 5th Earl Carlisle (age 50) and Margaret Caroline Leveson-Gower Countess Carlisle. He the son of Charles Manners 4th Duke Rutland and Mary Isabella Somerset Duchess Rutland (age 42). They were fourth cousins.

On 21 Mar 1801 George Howard 6th Earl Carlisle (age 27) and Georgiana Cavendish Countess Carlisle (age 17) were married. She by marriage Countess Carlisle. She the daughter of William Cavendish 5th Duke Devonshire (age 53) and Georgiana Spencer Duchess Devonshire (age 43). He the son of Frederick Howard 5th Earl Carlisle (age 52) and Margaret Caroline Leveson-Gower Countess Carlisle. They were fourth cousins.

On 18 Aug 1806 Thomas Foley 3rd Baron Foley (age 25) and Cecilia Olivia Geraldine Fitzgerald Baroness Foley (age 20) were married at Boyle Farm Kingston Upon Thames, Surrey. She by marriage Baroness Foley of Kidderminster in Worcestershire. She the daughter of William Robert Fitzgerald 2nd Duke Leinster and Emilia St George Duchess Leinster. They were fourth cousins. He a great x 3 grandson of King Charles II of England Scotland and Ireland. She a great x 3 granddaughter of King Charles II of England Scotland and Ireland.

Before 1807 William Kerr 6th Marquess Lothian (age 43) and Harriet Scott Marchioness Lothian (age 26) were married. She the daughter of Henry Scott 3rd Duke Buccleuch (age 60) and Elizabeth Montagu Duchess Buccleuch (age 63). He the son of William John Kerr 5th Marquess Lothian (age 69) and Elizabeth Fortescue 5th Marchioness Lothian. They were fourth cousins. He a great x 5 grandson of King James I of England and Ireland and VI of Scotland. She a great x 4 granddaughter of King Charles II of England Scotland and Ireland.

Before 29 Sep 1812 Major-General Archibald Montgomerie (age 39) and Mary Montgomerie (age 25) were married. She the daughter of Archibald Montgomerie 11th Earl Eglinton and Frances Twysden. He the son of Hugh Montgomerie 12th Earl Eglinton (age 72). They were fourth cousins.

On 25 Jul 1814 Henry Somerset 7th Duke Beaufort (age 22) and Georgiana Frederica Fitzroy (age 21) were married at Upper Brook Street. Following her death in 1821 he would marry her younger half-sister Emily Frances Smith Duchess Beaufort (age 14). An example of a man marrying two sisters, albeit in this case half-sisters. He the son of Henry Charles Somerset 6th Duke Beaufort (age 47) and Charlotte Sophia Leveson-Gower Duchess Beaufort (age 43). They were fourth cousins. She a great x 4 granddaughter of King Charles II of England Scotland and Ireland.

On 04 Jul 1817 Hugh Fortescue 2nd Earl Fortescue (age 34) and Susan Ryder (age 21) were married. She the daughter of Dudley Ryder 1st Earl of Harrowby (age 54) and Susanna Leveson-Gower Countess Harrowby Lincolnshire (age 44). He the son of Hugh Fortescue 1st Earl Fortescue (age 64) and Hester Granville Countess Fortescue (age 51). They were fourth cousins.

On 21 Oct 1824 George Godolphin Osborne 8th Duke Leeds (age 22) and Harriet Emma Arundel Stewart Duchess Leeds (age 24) were married at the British Embassy, Paris. She the illegitmate daughter of Granville Leveson-Gower 1st Earl Granville (age 51) and Henrietta Frances Spencer Countess Bessborough. They were fourth cousins.

On 25 Oct 1825 Charles Fitzroy (age 34) and Anne Cavendish (age 37) were married. She the daughter of George Augustus Henry Cavendish 1st Earl Burlington (age 71) and Elizabeth Compton Countess Burlington (age 65). He the son of George Henry Fitzroy 4th Duke Grafton (age 65) and Charlotte Maria Waldegrave. They were fourth cousins. He a great x 3 grandson of King James II of England Scotland and Ireland.

In 1830 George Stanhope 6th Earl Chesterfield (age 24) and Anne Weld-Forester Countess Chesterfield (age 27) were married. She by marriage Countess Chesterfield. He the son of Philip Stanhope 5th Earl Chesterfield and Henrietta Thynne. They were fourth cousins.

On 14 Sep 1830 Albert Hohenzollern (age 20) and Marianne Orange Nassau (age 20) were married at The Hague. He the son of Frederick William II King Prussia (age 60). They were fourth cousins. He a great x 3 grandson of King George I of Great Britain and Ireland. She a great x 2 granddaughter of King George II of Great Britain and Ireland.

On 17 Feb 1831 Charles James Stuart-Wortley-Mackenzie (age 28) and Emmeline Charlotte Elizabeth Manners (age 24) were married. She the daughter of John Henry Manners 5th Duke Rutland (age 53) and Elizabeth Howard Duchess Rutland. They were fourth cousins.

On 10 Dec 1835 John Boyle (age 32) and Cecilia Fitzgerald De Ros were married. They were fourth cousins. She a great x 3 granddaughter of King Charles II of England Scotland and Ireland.

On 18 Jul 1837 Charles Thynne (age 24) and Harriet Bagot (age 20) were married. She the daughter of Bishop Richard Bagot (age 54) and Harriet Villiers (age 49). He the son of Thomas Thynne 2nd Marquess of Bath and Isabella Elizabeth Byng Marchioness Bath. They were fourth cousins.

On 03 Jul 1845 Henry Charles Fitzroy Somerset 8th Duke Beaufort (age 21) and Georgiana Charlotte Curzon Howe Duchess Beaufort (age 20) were married. She the daughter of Richard William Penn Curzon Howe 1st Earl Howe (age 48) and Harriet Georgiana Brudenell Countess Howe. He the son of Henry Somerset 7th Duke Beaufort (age 53) and Emily Frances Smith Duchess Beaufort (age 45). They were fourth cousins.

On 27 Jun 1848 Arthur Edwin Hill aka Hill-Trevor 1st Baron Trevor (age 28) and Emily Mary Sutton were married. He the son of Arthur Blundell Sandys Trumbull Hill 3rd Marquess Downshire and Maria Windsor Marchioness Downshire (age 58). They were fourth cousins.

On 28 Sep 1848 John Manners-Sutton 2nd Baron Manners (age 30) and Lydia Sophia Dashwood (age 23) were married. They were fourth cousins.

In or before 1851 Charles Hugh Clifford 8th Baron Clifford Chudleigh (age 32) and Agnes Louisa Petre Baroness Clifford (age 24) were married. They were fourth cousins. He a great x 4 grandson of King Charles II of England Scotland and Ireland. She a great x 5 granddaughter of King Charles II of England Scotland and Ireland.

In 1856 Colonel Robert Nigel Fitzhardinge Kingscote (age 25) and Emily Mary Curzon Howe (age 20) were married. They had two sons and two daughters. She the daughter of Richard William Penn Curzon Howe 1st Earl Howe (age 59) and Harriet Georgiana Brudenell Countess Howe. They were fourth cousins.

On 20 Sep 1856 Frederick Grand Duke of Baden (age 30) and Princess Louise of Prussia (age 17) were married. She the daughter of William I King Prussia (age 59). They were fourth cousins. He a great x 3 grandson of King George II of Great Britain and Ireland. She a great x 4 granddaughter of King George I of Great Britain and Ireland.

In 1860 Hugh Cholmondeley 2nd Baron Delamere (age 48) and Augusta Emily Seymour-Conway Baroness Delamere (age 24) were married. The difference in their ages was 24 years. They were fourth cousins. She a great x 4 granddaughter of King Charles II of England Scotland and Ireland.

On 15 Oct 1863 Henry Byng 4th Earl Strafford (age 32) and Henrietta Louisa Elizabeth Danneskiold Samsøe Countess Strafford (age 27) were married. He the son of George Byng 2nd Earl Strafford (age 57) and Agnes Paget. They were fourth cousins.

Before 10 Mar 1867 Reverend Henry George Talbot (age 68) and Mary Elizabeth Ponsonby were married. An example of a Marriage of Two Sets of Siblings. They were fourth cousins. She a great x 4 granddaughter of King Charles II of England Scotland and Ireland.

On 20 Jun 1867 William Amelius Aubrey Beauclerk 10th Duke St Albans (age 27) and Sybil Mary Grey Duchess St Albans (age 18) were married. She by marriage Duchess St Albans. He the son of William Beauclerk 9th Duke St Albans and Elizabeth Catherine Gubbins Duchess St Albans (age 49). They were fourth cousins. He a great x 4 grandson of King Charles II of England Scotland and Ireland.

In 1869 Henry Petty-Fitzmaurice 5th Marquess Lansdowne (age 23) and Maud Evelyn Hamilton Marchioness Lansdowne (age 19) were married. She by marriage Marchioness Lansdowne. She the daughter of James Hamilton 1st Duke Abercorn (age 57) and Louisa Jane Russell Duchess Abercorn (age 56). He the son of Henry Thomas Petty-Fitzmaurice 4th Marquess Lansdowne and Emily Jane de Flahaut Marchioness Lansdowne (age 49). They were fourth cousins. She a great x 4 granddaughter of King Charles II of England Scotland and Ireland.

Before 08 Aug 1876 Rear-Admiral Charles Talbot (age 74) and Charlotte Georgiana Ponsonby were married. An example of a Marriage of Two Sets of Siblings. They were fourth cousins. She a great x 4 granddaughter of King Charles II of England Scotland and Ireland.

In 1877 George Matthew Fortescue (age 86) and Louisa Ryder were married. She the daughter of Dudley Ryder 1st Earl of Harrowby and Susanna Leveson-Gower Countess Harrowby Lincolnshire. He the son of Hugh Fortescue 1st Earl Fortescue and Hester Granville Countess Fortescue. They were fourth cousins.

On 22 Dec 1878 Ernest Augustus Hanover 3rd Duke Cumberland and Teviotdale (age 33) and Thyra Glücksburg Duchess Cumberland and Teviotdale (age 25) were married. She by marriage Duchess Cumberland and Teviotdale. She the daughter of King Christian IX of Denmark (age 60) and Queen Louise Hesse-Kassel of Denmark (age 61). He the son of George V King Hanover and Marie Saxe Altenburg Queen Consort Hanover. They were fourth cousins. He a great grandson of King George III of Great Britain and Ireland. She a great x 3 granddaughter of King George II of Great Britain and Ireland.

On 27 Feb 1881 Wilhelm Hohenzollern (age 22) and Empress Auguste Viktoria Oldenburg (age 22) were married. She the daughter of Frederick Christian Oldenburg II Duke Schleswig Holstein Sonderburg Augustenburg and Adelheid Hohenlohe Langenburg Duchess Schleswig Holstein Sonderburg Augustenburg. He the son of Frederick III King Prussia (age 49) and Victoria Empress Germany Queen Consort Prussia (age 40). They were fourth cousins. He a grandson of Queen Victoria of the United Kingdom. She a great x 4 granddaughter of King George II of Great Britain and Ireland.

On 19 May 1881 John Salusbury Salusbury-Trelawny 9th Baronet (age 64) and Harriet Jacqueline Buller Lady Salusbury-Trelawny (age 60) were married at St George's Church, Hanover Square. She by marriage Baronet Salusbury-Trelawny of Trelawny in Cornwall. They were fourth cousins.

Before 30 Mar 1886 Chaplain Richard Cavendish Boyle (age 74) and Eleanor Vere Gordon (age 60) were married. They were fourth cousins.

On 26 Jul 1890 Arthur Walsh 3rd Baron Ormathwaite (age 31) and Clementine Pratt Baroness Ormathwaite (age 20) were married. She the daughter of John Charles Pratt 3rd Marquess Camden and Clementina Augusta Spencer-Churchill Countess Camden. They were fourth cousins.

On 30 Jan 1920 Oliver Lyttelton 1st Viscount Chandos (age 26) and Moira Godolphin Osborne (age 27) were married. She the daughter of George Godolphin Osborne 10th Duke Leeds (age 57) and Katherine Frances Lambton Duchess Leeds (age 57). They were fourth cousins.

On 24 Nov 1927 Charles John Wilson 3rd Baron Nunburnholme (age 23) and Mary Beatrice Thynne Baroness Nunburnholme (age 24) were married. She by marriage Baroness Nunburnholme. She the daughter of Thomas Henry Thynne 5th Marquess of Bath (age 65) and Violet Caroline Mordaunt Marchioness Bath (age 58). They were fourth cousins.

On 27 Nov 1928 Napier Sturt 3rd Baron Alington (age 32) and Mary Sibell Ashley-Cooper Baroness Alington (age 26) were married. She by marriage Baroness Alington. She the daughter of Anthony Ashley-Cooper 9th Earl of Shaftesbury (age 59) and Constance Grosvenor Countess of Shaftesbury (age 53). They were fourth cousins.

Before 06 Jun 1929 Edward Claud Berkeley Fitzharding 5th Viscount Portman (age 31) and Sybil Mary Douglas Pennant Viscountess Portman (age 42) were married. They were fourth cousins.

On 20 Jan 1931 Gustavus Lascelles Hamilton-Russell (age 23) and Joan Verena Lloyd-Verney (age 22) were married. They were fourth cousins.

On 26 Apr 1932 John Crichton-Stuart (age 24) and Eileen Forbes (age 20) were married. She the daughter of Bernard Forbes 8th Earl of Granard (age 57) and Beatrice Mills Countess of Granard (age 48). He the son of John Crichton-Stuart 4th Marquis of the Isle of Bute (age 50). They were fourth cousins.

On 29 Apr 1939 John Sutherland Egerton 6th Duke Sutherland (age 23) and Diana Evelyn Percy Countess Ellesmere (age 21) were married. She the daughter of Alan Ian Percy 8th Duke Northumberland and Helen Gordon-Lennox Duchess Northumberland (age 52). He the son of John Francis Granville Scrope Egerton 4th Earl Ellesmere (age 66) and Violet Lambton Countess Ellesmere (age 58). They were fourth cousins.

On 12 Jun 1946 Hugh Algernon Percy 10th Duke Northumberland (age 32) and Elizabeth Diana Montagu-Douglas-Scott Duchess Northumberland (age 24) were married. She by marriage Duchess Northumberland. She the daughter of Walter Scott 8th Duke Buccleuch 10th Duke Queensberry (age 51) and Vreda Lascelles Duchess Buccleuch and Queensbury (age 45). He the son of Alan Ian Percy 8th Duke Northumberland and Helen Gordon-Lennox Duchess Northumberland (age 59). They were fourth cousins.

On 13 Jun 1987 Henry John Fitzroy 12th Duke of Beaufort (age 35) and Tracey Ward Duchess of Beaufort (age 28) were married. He the son of David Fitzroy 11th Duke Beaufort (age 59) and Caroline Jane Thynne 11th Duchess Beaufort (age 59). They were fourth cousins.

John West and Anne Percy were married. They were fourth cousins.

Hugh Fortescue 3rd Earl Fortescue and Georgina Augusta Dawson-Damer Countess Fortescue were married. He the son of Hugh Fortescue 2nd Earl Fortescue and Susan Ryder. They were fourth cousins. She a great x 4 granddaughter of King James II of England Scotland and Ireland.

Louis Armand Bourbon Condé Conti Prince Conti and Marie Anne Bourbon were married. She the illegitmate daughter of Louis "Sun King" XIV King France and Louise de La Vallière. They were fourth cousins.

Alexander Livingstone 3rd Earl Callendar and Anne Graham were married. She the daughter of James Graham 2nd Marquess Montrose and Isabel Douglas Marchioness Montrose. He the son of George Livingston 3rd Earl Linlithgow and Elizabeth Maule Countess Kinghorne and Linlithgow. They were fourth cousins.

Andrew Stewart 2nd Lord Avondale 1st Lord Ochiltree and Margaret Hamilton Lady Avondale Lady Ochiltree were married. She by marriage Lord Avondale, Lord Ochiltree. She the illegitmate daughter of James Hamilton 1st Earl Arran and Beatrix Drummond. They were fourth cousins. She a great x 5 granddaughter of King Edward III of England.

William Blount and Margaret Verdun Baroness Hussey were married. They were fourth cousins. She a great x 4 granddaughter of King John "Lackland" of England.

John Fitzherbert and Elizabeth Fitzherbert were married. They were fourth cousins.

Philip Metz and Theresa Burgundy Duchess Burgundy were married. She the daughter of Afonso "Conqueror Founder Great" I King Portugal and Malfada Savoy Queen Consort Portugal. He the son of Thierry Metz Count Flanders and Sibylla Anjou Countess Essex and Flanders. They were fourth cousins.

Roger Tosny and Alice Bohun were married. She the daughter of Humphrey Bohun 2nd Earl Hereford 1st Earl Essex and Matilda Lusignan Countess Hereford and Essex. They were fourth cousins. He a great x 3 grandson of King Henry I "Beauclerc" England.

John St Leger and Catherine Neville were married. They were fourth cousins. She a great x 4 granddaughter of King Edward III of England.

Robert Douglas Master of Morton and Jean Lyon Countess Angus and Morton were married. He the son of William Douglas 6th Earl Morton and Agnes Leslie Countess Morton. They were fourth cousins.

Henry Vernon and Muriel Vernon were married. They were fourth cousins.

Walter de Clare and Maud Lucy were married. They were fourth cousins.

Willem Frederick Karel Prince Orange Nassau and Louise Hohenzollern were married. She the daughter of Frederick William II King Prussia. They were fourth cousins. He a great x 2 grandson of King George II of Great Britain and Ireland. She a great x 3 granddaughter of King George I of Great Britain and Ireland.

Nicholas Poyntz and Margaret Stanley were married. She the daughter of Edward Stanley 3rd Earl of Derby and Katherine Howard Countess Derby. They were fourth cousins.

Eudo Welles and Maud Greystoke were married. He the son of John Welles 5th Baron Welles and Eleanor Mowbray Countess Rockingham. They were fourth cousins. He a great x 3 grandson of King Edward "Longshanks" I of England.

William Paulet and Mary Browne were married. He the son of William Paulet 4th Marquess Winchester and Lucy Cecil Marchioness Winchester. They were fourth cousins.

Laurence Oliphant Master of Oliphant and Christian Douglas were married. She the daughter of William Douglas 6th Earl Morton and Agnes Leslie Countess Morton. They were fourth cousins.

Baldwin VII Count Flanders and Hawise Canhiart Countess Flanders were married. She by marriage Countess Flanders. She the daughter of Alan Canhiart IV Duke Brittany and Ermengarde Anjou Duchess Brittany and Aquitaine. He the son of Robert II Count Flanders and Clementia Ivrea Countess Louvain and Flanders. They were fourth cousins.

Philip Wentworth and Mary Clifford Baroness Despencer were married. She the daughter of John Clifford 7th Baron Clifford and Elizabeth Percy Countess of Westmoreland. They were fourth cousins. She a great x 3 granddaughter of King Edward III of England.

John Dutton and Margaret Molyneux were married. They were fourth cousins. She a great x 5 granddaughter of King Edward "Longshanks" I of England.

John Burgh and Cecily Balliol were married. They were fourth cousins. She a great x 5 granddaughter of King Henry I "Beauclerc" England.

Robert II Count Flanders and Clementia Ivrea Countess Louvain and Flanders were married. She the daughter of William Ivrea I Count Burgundy and Ettiennette Countess Burgundy. He the son of Robert "The Frisian" I Count Flanders and Gertrude Billung Countess Holland. They were fourth cousins.

Charles Seton 2nd Earl Dunfermline and Mary Douglas Countess Dunfermline were married. She by marriage Countess Dunfermline. She the daughter of William Douglas 7th Earl Morton and Anne Keith Countess Morton. He the son of Alexander Seton 1st Earl Dunfermline and Margaret Hay Countess Dunfermline. They were fourth cousins.

Geoffrey Flanders and Eleanor Capet Countess Vermandois were married. She the daughter of Ralph I Capet I Count Vermandois and Petronilla Poitiers. He the son of Baldwin Flanders IV Count Hainault and Alice Namur Countess Hainault. They were fourth cousins.

Robert Willoughby and Cecily Welles were married. The difference in their ages was 20 years. They were fourth cousins. He a great x 5 grandson of King Henry III of England. She a great x 5 granddaughter of King Edward "Longshanks" I of England.

Hugh Poynings and Eleanor Welles were married. She the daughter of John Welles 5th Baron Welles and Eleanor Mowbray Countess Rockingham. They were fourth cousins. She a great x 3 granddaughter of King Edward "Longshanks" I of England.

William Jülich and Marie Dampierre were married. She the daughter of Guy Dampierre Count Flanders and Mathilde Bethune. He the son of William Jülich IV Count Jülich and Richardis Guelders Countess Jülich. They were fourth cousins. He a great x 5 grandson of King William "Conqueror" I of England. She a great x 5 granddaughter of King William "Conqueror" I of England.

John Scrope and Margaret Dacre were married. They were fourth cousins. She a great x 5 granddaughter of King Edward "Longshanks" I of England.

William Ferrers and Anne Despencer were married. He the son of William Ferrers 5th Earl of Derby and Margaret Quincy Countess Derby. They were fourth cousins. He a great x 4 grandson of King Henry I "Beauclerc" England. She a great x 4 granddaughter of King Henry I "Beauclerc" England.

Edward Montagu and Elizabeth Pelham were married. They were fourth cousins.

Henry Huddlestone and Dorothy Dormer were married. They were fourth cousins.

John "The Botiller" Verdun and Margaret "Lady of Dulek" Lacy were married. They were fourth cousins.

Frederick "Barbarossa" Hohenstaufen I Holy Roman Emperor and Beatrice Ivrea Holy Roman Empress were married. She by marriage Holy Roman Empress. The difference in their ages was 23 years. She the daughter of Reginald Ivrea III Count Burgundy. He the son of Frederick "One Eyed" Hohenstaufen I Holy Roman Emperor and Judith Welf Holy Roman Empress. They were fourth cousins.

William Eure 1st Baron Eure and Elizabeth Willoughby Baroness Eure were married. They were fourth cousins. He a great x 5 grandson of King Edward III of England.

Robert Vipont Lord Westmoreland and Isabel Fitzjohn were married. They were fourth cousins. He a great x 4 grandson of King Henry I "Beauclerc" England.

John Darcy and Anne Tyrrell were married. They were fourth cousins.

Albert Habsburg V Duke Austria and Elizabeth Luxemburg Duchess Austria were married. She by marriage Duchess Austria. She the daughter of Sigismund I King Hungary I King Germany I King Bohemia Holy Roman Emperor Luxemburg and Barbara of Cilli Holy Roman Empress. He the son of Albert Habsburg IV Duke Austria and Joanna Sophia Wittelsbach Duchess Austria. They were fourth cousins.

Charles Vere Dashwood and Diana Dashwood were married. They were fourth cousins.

Robert Aske and Elizabeth Clifford were married. They were fourth cousins. He a great x 4 grandson of King Edward III of England. She a great x 4 granddaughter of King Edward "Longshanks" I of England.

Edward Stanley and Lucy Percy were married. She the daughter of Thomas Percy 7th Earl of Northumberland and Anne Somerset Countess Northumberland. They were fourth cousins.

Sancho III King Castile and Blanche Ramirez Queen Consort Castile were married. She by marriage Queen Consort Castile. She the daughter of García "Restorer" IV King Navarre and Marguerite Aigle Queen Consort Navarre. He the son of Alfonso VII King Castile VII King Leon and Berenguela Barcelona Queen Consort Castile and Leon. They were fourth cousins.

Gilbert Talbot 3rd Baron Talbot and Joan Stafford Baroness Cherleton and Talbot were married. She the daughter of Ralph Stafford 1st Earl Stafford and Margaret Audley Countess Stafford. They were fourth cousins. She a great x 2 granddaughter of King Edward "Longshanks" I of England.

Frederick John William Ponsonby and Margaret Fanny Howard were married. They were fourth cousins.

Robert Darcy and Elizabeth Tyrrell were married. The difference in their ages was 23 years. They were fourth cousins.

John Avesnes and Agnes Valence were married. She the daughter of William de Valence 1st Earl Pembroke and Joan Munchensi Countess Pembroke. He the son of Bouchard Avesnes and Margaret II Countess Flanders. They were fourth cousins. He a great x 4 grandson of King William "Conqueror" I of England.

Jean Chatillon Count Saint Pol and Jeanne Fiennes were married. He the son of Guy Chatillon IV Count Saint Pol and Marie Capet. They were fourth cousins. He a great grandson of King Henry III of England. She a great x 5 granddaughter of King Henry "Curtmantle" II of England.

Gerald Prendergast and Maud Burgh were married. They were fourth cousins.

Francis Hay 9th Earl Erroll and Elizabeth Douglas Countess Erroll were married. She by marriage Countess Erroll. She the daughter of William Douglas 6th Earl Morton and Agnes Leslie Countess Morton. He the son of Andrew Hay 8th Earl Erroll and Jean Hay. They were fourth cousins.