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Third-Cousin

1403 Marriage of Henry IV and Joanna of Navarre

1445 Marriage of Henry VI and Margaret of Anjou

1486 Marriage of Henry VII and Elizabeth York

1503 Marriage of James IV of Scotland and Margaret Tudor

1533 Marriage of Henry Fitzroy and Mary Howard

In 1056 Robert Curthose Normandy III Duke Normandy 1051-1134 (5) and Marguerite Maine Countess Essex 1045-1063 (11) were married (he was her third-cousin).

In 1080 Stephen Blois II Count Blois 1045-1102 (35) and Adela Normandy Count Blois 1067-1137 (13) were married (he was her third-cousin) at Chartres. Adela Normandy Count Blois 1067-1137 (13) by marriage Count Blois.

In 1087 Alan Canhiart IV Duke Brittany 1063-1119 (24) and Constance Normandy Duchess Brittany 1057-1090 (30) were married (he was her third-cousin). Constance Normandy Duchess Brittany 1057-1090 (30) by marriage Duchess Brittany.

In 1160 Matthew Metz Count Boulogne -1173 and Marie Blois I Count Boulogne 1136-1182 (24) were married (he was her third-cousin).

On Mar 1211 Raymond Rouerge VII Count Toulose 1197-1249 (13) and Sancha Barcelona Count Toulose were married (he was her third-cousin).

Before 1235 Hugh Lusignan XI Count Lusignan, VI Count La Marche, II Count Angoulême 1221-1250 and Yolande Capet Count Lusignan, Count La Marche, Count Angoulême 1219-1272 were married (he was her third-cousin).

On 12 Mar 1237 William Jülich IV Count Jülich 1210-1278 (27) and Margaret Guelders Count Jülich were married (he was her third-cousin). Margaret Guelders Count Jülich by marriage Count Jülich.

On 14 Jun 1237 Robert Capet 1216- and Matilda Reginar Count Saint-Pol 1224-1288 (13) were married (he was her third-cousin).

In 1245 Theobald Bar II Count Bar 1221-1291 (24) and Joanna Dampierre Count Bar were married (he was her third-cousin). Joanna Dampierre Count Bar by marriage Count Bar.

In 1246 John Hainault I Count Hainault 1218-1257 (27) and Adelaide Gerulfing Count Hainault 1230-1284 (16) were married (he was her third-cousin). Adelaide Gerulfing Count Hainault 1230-1284 (16) by marriage Count Hainault.

Before Jan 1250 William Jülich IV Count Jülich 1210-1278 and Richardis Guelders Count Jülich 1215-1297 were married (he was her third-cousin). Richardis Guelders Count Jülich 1215-1297 by marriage Count Jülich.

In 1265 Robert Dampierre III Count Flanders 1249-1322 (16) and Blanche Capet Count Flanders 1250-1269 (15) were married (he was her third-cousin). Blanche Capet Count Flanders 1250-1269 (15) by marriage Count Flanders.

In 1271 Robert Bruce Earl Carrick 1243-1304 (27) and Marjorie Carrick 3rd Countess Carrick 1253-1292 (18) were married (he was her third-cousin) at Turnberry Castle. Robert Bruce Earl Carrick 1243-1304 (27) by marriage as Earl Carrick.

In 1275 Arthur Capet Duke Brittany 1261-1312 (13) and Marie Limoges Duchess Brittany were married (he was her third-cousin). Marie Limoges Duchess Brittany by marriage Duchess Brittany (1221 Dreux), Earl Richmond (1C 1136).

Before 04 Sep 1286 Roger Mowbray 1st Baron Mowbray 1257-1297 and Rohese Clare Baroness Mowbray were married (he was her third-cousin). Rohese Clare Baroness Mowbray by marriage Baroness Mowbray (1C 1283).

In 1290 Alfonso Ivrea 1270-1324 (20) and Mahaut Brienne -1328 were married (he was her third-cousin).

On 29 Oct 1295 James "The Just" II King Aragon 1267-1327 (28) and Blanche Capet Queen Consort Aragon were married (he was her third-cousin). Blanche Capet Queen Consort Aragon by marriage Queen Consort Aragon.

In 1297 John Capet III Duke Brittany 1286-1341 (10) and Isabelle Valois Duchess Brittany 1292-1309 (5) were married (he was her third-cousin). Isabelle Valois Duchess Brittany 1292-1309 (5) by marriage Duchess Brittany (1221 Dreux), Earl Richmond (1C 1136).

On 14 Nov 1302 Humphrey Bohun 4th Earl Hereford, 3rd Earl Essex 1276-1322 (26) and Princess Elizabeth of Rhuddlan Plantagenet Countess Essex, Countess Hereford, Countess Holland 1282-1316 (20) were married (he was her third-cousin). Princess Elizabeth of Rhuddlan Plantagenet Countess Essex, Countess Hereford, Countess Holland 1282-1316 (20) by marriage Countess Essex (3C 1239), Earl Hereford (6C 1199). Westminster Abbey.

Around 1747. Canaletto Painter 1697-1768. View across the River Thames to Westminster Abbey and Westminster Hall.

1749. Canaletto Painter 1697-1768. Westminster Abbey with a procession of Knights of the Bath. St Margaret's Church adjacent with the flag.

Around 1750. Canaletto Painter 1697-1768. Westminster from near the Terrace of Somerset House In the distance the Banqueting House, Whitehall Palace, Westminster Abbey and Westminster Bridge.

Around 1801. Benjamin West Painter 1738-1820 (62). Milkmaids in St James' Park with Westminster Abbey Beyond.

On 04 Feb 1316 Theobald Verdun 2nd Lord Verdun 1278-1316 (37) and Elizabeth Clare Lady Verdun 1295-1360 (20) were married (he was her third-cousin). Elizabeth Clare Lady Verdun 1295-1360 (20) by marriage Lord Verdun.

Before 1320 Thomas Rich Berkeley 8th Baron Berkeley 1296-1361 and Margaret Mortimer Baroness Berkeley 1304-1337 were married (he was her third-cousin).

In 1320 Robert III Artois 1287-1342 (33) and Joan Valois Count Zeeland, Count Holland, Count Avesnes, Count Hainault 1294-1342 (26) were married (he was her third-cousin).

On 25 Mar 1349 John Mowbray 4th Baron Mowbray, 5th Baron Segrave 1340-1368 (8) and Elizabeth Segrave 5th Baroness Segrave, Baroness Mowbray were married (he was her third-cousin). Elizabeth Segrave 5th Baroness Segrave, Baroness Mowbray by marriage Baroness Mowbray (1C 1283). John Mowbray 4th Baron Mowbray, 5th Baron Segrave 1340-1368 (8) by marriage 5th Baron Segrave (1C 1295).

After 06 Jun 1349 Ralph Ferrers 1329-1392 and Joan Grey 1302-1369 were married (he was her third-cousin).

After 09 Sep 1359 Humphrey Bohun 7th Earl Hereford, 6th Earl Essex, 2nd Earl Northampton 1341-1373 and Joan Fitzalan Countess Essex, Countess Hereford, Countess Northampton 1347-1419 were married (he was her third-cousin).

Around 28 Sep 1359 Richard Fitzalan 9th Earl Surrey, 11th Earl Arundel 1346-1397 (13) and Elizabeth Bohun Countess Arundel, Countess Surrey 1350-1385 (9) were married (he was her third-cousin).

On 12 Apr 1363 Thomas Ros 4th Baron Ros Helmsley 1335-1384 (28) and Beatrice Stafford Countess Desmond 1341-1415 (22) were married (he was her third-cousin).

On May 1366 John Montfort V Duke Brittany 1339-1399 (27) and Joan Holland Duchess Brittany 1350-1384 (16) were married (he was her third-cousin). Joan Holland Duchess Brittany 1350-1384 (16) by marriage Duchess Brittany (1221 Dreux).

In 1368 Reginald Cobham 2nd Baron Cobham Sternborough 1348-1403 (19) and Elizabeth Stafford Baroness Cobham Sternborough, Baroness Ferrers Chartley, Baroness Strange Blackmere 1340-1376 (28) were married (he was her third-cousin) at Lingfield. Elizabeth Stafford Baroness Cobham Sternborough, Baroness Ferrers Chartley, Baroness Strange Blackmere 1340-1376 (28) by marriage Baroness Cobham Sternborough in Kent (4C 1347).

Before 25 May 1368 William Ferrers 3rd Baron Ferrers Groby 1333-1372 and Margaret Percy Baroness Ferrers Groby 1330-1375 were married (he was her third-cousin). Margaret Percy Baroness Ferrers Groby 1330-1375 by marriage Baroness Ferrers Groby.

In 1371 William Jülich I Duke Jülich 1327-1393 (44) and Marie Guelders Duchess Jülich -1405 were married (he was her third-cousin). Marie Guelders Duchess Jülich -1405 by marriage Duchess Jülich.

In 1377 Ralph Greystoke 3rd Baron Greystoke 1353-1418 (23) and Catherine Clifford Baroness Greystoke 1369-1413 (8) were married (he was her third-cousin) at Brougham Castle, Brougham. Catherine Clifford Baroness Greystoke 1369-1413 (8) by marriage Baroness Greystoke.

Before 1379 Thomas Clifford 6th Baron Clifford 1363-1391 and Elizabeth Ros Baroness Clifford were married (he was her third-cousin). Elizabeth Ros Baroness Clifford by marriage Baroness Clifford.

In 1380 Waleran Luxembourg 1355-1415 (25) and Maud Holland 1359-1391 (21) were married (he was her third-cousin).

On 22 Jun 1382 John Ros 5th Baron Ros Helmsley -1393 and Mary Percy Baroness Ros Helmsley 1367-1394 (15) were married (he was her third-cousin). Mary Percy Baroness Ros Helmsley 1367-1394 (15) by marriage Baroness Ros Helmsley.

Before 1383 Richard Talbot 7th Baron Strange Blackmere, 4th Baron Talbot 1361-1396 and Ankaret Strange 7th Baroness Strange Blackmere, Baroness Talbot 1361-1413 were married (he was her third-cousin).

On Nov 1384 Henry Bar 1362-1397 (22) and Marie Guines 1366-1405 (18) were married (he was her third-cousin).

In 1385 John "Fearless" Valois-Burgundy Duke Burgundy 1371-1419 (13) and Margaret Wittelsbach Duchess Burgundy 1363-1423 (22) were married (he was her third-cousin).

In 1385 Sigismund I King Hungary, I King Germany, I King Bohemia, Holy Roman Emperor Luxembourg 1368-1437 (16) and Mary Hungary I Queen Hungary 1371-1395 (14) were married (he was her third-cousin).

On 12 Apr 1385 William Wittelsbach IV Count Holland, VI Count Hainault, V Count Zeeland 1365-1417 (20) and Margaret Valois-Burgundy Count Holland 1374-1441 (10) were married (he was her third-cousin).

On 24 Apr 1390 Albert Habsburg IV Duke Austria 1377-1404 (12) and Joanna Sophia Wittelsbach Duchess Austria 1373-1410 (17) were married (he was her third-cousin) at Vienna. Joanna Sophia Wittelsbach Duchess Austria 1373-1410 (17) by marriage Duchess Austria.

Before 01 Jun 1402 Thomas Mowbray 4th Earl Norfolk, 2nd Earl Nottingham 1385-1405 and Constance Holland Countess Norfolk, Countess Nottingham 1387-1437 were married (he was her third-cousin). Constance Holland Countess Norfolk, Countess Nottingham 1387-1437 by marriage Countess Norfolk (3C 1312), Earl Nottingham (2C 1383).

Marriage of Henry IV and Joanna of Navarre

On 07 Feb 1403 Henry IV King England 1367-1413 (35) and Joanna of Navarre Queen Consort England 1370-1437 (33) were married (he was her third-cousin) at Winchester. Joanna of Navarre Queen Consort England 1370-1437 (33) was crowned Queen Consort England. His third marriage, her second. She had eight children with her first husband but, despite ten years of marriage, none with Henry.

In 1413 James "White Earl" Butler 4th Earl Ormonde 1393-1452 (19) and Joan Beauchamp Countess Ormonde were married (he was her third-cousin). Joan Beauchamp Countess Ormonde by marriage Countess Ormonde (1C 1328).

In 1413 Louis "Bearded" Wittelsbach VII Duke Bavaria 1368-1447 (45) and Catherine Valois Duchess Bavaria 1380-1462 (33) were married (he was her third-cousin). Catherine Valois Duchess Bavaria 1380-1462 (33) by marriage Duchess Bavaria.

Before 1414 Hugh Courtenay 12th Earl Devon 1389-1422 and Anne Talbot Countess Devon 1393-1441 were married (he was her third-cousin).

Before 1416 Gilbert Talbot 8th Baron Strange Blackmere 5th Baron Talbot 1383-1419 and Joan Plantagenet Baroness Strange Blackmere, Baroness Talbot 1384-1400 were married (he was her third-cousin). Joan Plantagenet Baroness Strange Blackmere, Baroness Talbot 1384-1400 by marriage, Baron Strange Blackmere (1C 1309) Baron Talbot (1C 1331).

In 1418 John Grey 1st Earl Tankerville 1384-1421 (33) and Joan Charleton Countess Tankerville 1400-1425 (18) were married (he was her third-cousin). Joan Charleton Countess Tankerville 1400-1425 (18) by marriage Countess Tankerville (1C 1418).

Around 1420 Thomas Courtenay 13th Earl Devon 1414-1458 (6) and Margaret Beaufort Countess Devon 1409-1449 (11) were married (he was her third-cousin).

In 1420 René Valois-Anjou I Duke Anjou 1409-1480 (10) and Isabella Metz Duchess Anjou, I Duchess Lorraine 1400-1453 (20) were married (he was her third-cousin).

Around 1423 Humphrey Lancaster 1st Duke Gloucester 1390-1447 (32) and Jacqueline Wittelsbach Duchess Brabant 1401-1436 (21) were married (he was her third-cousin).

On 13 May 1423 John Lancaster 1st Duke Bedford 1389-1435 (33) and Anne Valois-Burgundy Duchess Bedford 1404-1432 (18) were married (he was her third-cousin) at Troyes.

After Mar 1424 Thomas Clifford 8th Baron Clifford 1414-1455 and Joan Dacre Baroness Clifford were married (he was her third-cousin). Joan Dacre Baroness Clifford by marriage Baroness Clifford.

Before 1425 Richard Beauchamp 13th Earl Warwick 1382-1439 and Isabel Despencer Countess Warwick, Countess Worcester 1400-1439 were married (he was her third-cousin). Isabel Despencer Countess Warwick, Countess Worcester 1400-1439 by marriage Countess Warwick (1C 1088).

Around 1426 Philip Courtenay 1404-1463 (21) and Elizabeth Hungerford -1476 were married (he was her third-cousin).

On 07 Jan 1430 Philip "Good" Valois-Burgundy III Duke Burgundy 1396-1467 (33) and Isabella Aviz Duchess Burgundy 1397-1471 (32) were married (he was her third-cousin). Isabella Aviz Duchess Burgundy 1397-1471 (32) by marriage Duchess Burgundy.

In 1434 Henry Beauchamp 1st Duke Warwick 1425-1446 (8) and Cecily Neville Duchess Warwick 1424-1450 (10) were married (he was her third-cousin) at Titchfield Abbey, Titchfield.

In 1434 Richard "Kingmaker" Neville 16th Earl Warwick, 6th Earl Salisbury 1428-1471 (6) and Anne Beauchamp 16th Countess Warwick 1426-1492 (7) were married (he was her third-cousin).

Before 05 Nov 1436 Henry Grey 2nd Earl Tankerville 1418-1450 and Antigone Lancaster Countess Tankerville 1427-1450 were married (he was her third-cousin). Antigone Lancaster Countess Tankerville 1427-1450 by marriage Countess Tankerville (2C 1695).

On 30 Sep 1439 Charles "Viana" IV King Navarre 1421-1461 (18) and Agnes Marck Queen Consort Navarre were married (he was her third-cousin) at Olite.

On 19 May 1440 Charles "Bold" Valois-Burgundy Duke Burgundy 1433-1477 (6) and Catherine Valois 1428-1446 (11) were married (he was her third-cousin).

After 27 Jan 1443 Christopher Talbot 1419-1443 and Joyce Charleton Baroness Tiptoft 1404-1446 were married (he was her third-cousin).

Before 1445 John Talbot 2nd Earl Shrewsbury, 2nd Earl Waterford 1417-1460 and Elizabeth Butler Countess Shrewsbury, Countess Waterford 1424-1473 were married (he was her third-cousin).

Marriage of Henry VI and Margaret of Anjou

On 23 Apr 1445 Henry VI King England, II King France 1421-1471 (23) and Margaret of Anjou Queen Consort England 1430-1482 (15) were married (he was her third-cousin) at Titchfield Abbey, Fareham. .

In 1447 John Bourbon II Duke Bourbon 1426-1488 (21) and Joan Valois Duchess Bourbon 1435-1482 (11) were married (he was her third-cousin). Joan Valois Duchess Bourbon 1435-1482 (11) by marriage Duchess Bourbon.

In 1447 John Scrope 5th Baron Scrope Bolton 1437-1498 (9) and Joan Fitzhugh Baroness Scrope Bolton were married (he was her third-cousin).

Before 1450 William Fitzalan 16th Earl Arundel 1417-1487 and Joan Neville Countess Arundel 1423-1462 were married (he was her third-cousin). Joan Neville Countess Arundel 1423-1462 by marriage Countess Arundel (Sussex).

In 1451 Thomas Stanley 1st Earl Derby 1435-1504 (16) and Eleanor Neville Baroness Stanley 1447-1471 (4) were married (he was her third-cousin) at Chapel, Middleham Castle, Middleham.

Before 1455 Thomas Ros 9th Baron Ros Helmsley 1427-1464 and Philippa Tiptoft Baroness Ros Helmsley 1423-1487 were married (he was her third-cousin). Philippa Tiptoft Baroness Ros Helmsley 1423-1487 by marriage Baroness Ros Helmsley.

In 1462 Jacques Armagnac Duke Nemours 1433-1477 (29) and Louise Valois-Anjou Duchess Nemours 1445-1477 (17) were married (he was her third-cousin).

After 25 Apr 1464 Thomas Wingfield -1475 and Philippa Tiptoft Baroness Ros Helmsley 1423-1487 were married (he was her third-cousin).

Around 12 Jun 1472 Thomas Stanley 1st Earl Derby 1435-1504 (37) and Margaret Beaufort Countess Richmond 1443-1509 (29) were married (he was her third-cousin). Margaret Beaufort Countess Richmond 1443-1509 (29) by marriage King Mann, Baron Stanley.

Around 1510 Meynnart Wewyck 1499-1525 (10). Portrait of Margaret Beaufort Countess Richmond 1443-1509 in the Masters Lodge, St John's College, Oxford University, Oxford.Commissioned by John Fisher Bishop Rochester 1469-1535 (40). Note the Beaufort Arms on the wall beneath which is the Beafort Portcullis. Repeated in the window.She is wearing widow's clothes, or possibly that of a convent; Gabled Headress with Lappets. On 29 Mar 2019, St John's College, Cambridge, which she founded, announced the portrait was original work by Wewyck.

In 1484 Jean III King Navarre 1469-1516 (15) and Catherine Grailly I Queen Navarre 1468-1517 (16) were married (he was her third-cousin).

Marriage of Henry VII and Elizabeth York

On 18 Jan 1486 Henry VII King England and Ireland 1457-1509 (28) and Elizabeth, Edward IV's eldest daughter (19) were married (he was her third-cousin) at Westminster Abbey.

Around 1510 Meynnart Wewyck 1499-1525 (10) is believed to have painted the portrait of Henry VII King England and Ireland 1457-1509.

Around 1520 Unknown Artist.Netherlands. Portrait of Henry VII King England and Ireland 1457-1509.

Around 1675 Unknown Artist. Portrait of Elizabeth York Queen Consort England 1466-1503. From a work of 1500.

In Dec 1489 Edward Stafford 3rd Duke Buckingham 1478-1521 (11) and Eleanor Percy Duchess Buckingham -1530 were married (he was her third-cousin). Eleanor Percy Duchess Buckingham -1530 by marriage Duchess Buckingham (1C 1444). The executors of her father Henry Percy 4th Earl Northumberland 1449-1489, who had been hanged by rebels during the Northern Rebellion earlier in the year, having paid Henry VII King England and Ireland 1457-1509 (32) £4000 for the privilege. His father, Henry Stafford 2nd Duke Buckingham 1454-1483, had been hanged for treason in 1483.

Before 11 Oct 1492 Charles VIII King France 1470-1498 and Anne of Brittany Queen Consort France 1477-1514 were married (he was her third-cousin). Anne of Brittany Queen Consort France 1477-1514 by marriage Queen Consort France.

On 03 Apr 1496 John Trastámara Prince Asturias 1478-1497 (17) and Margaret Habsburg Princess Asturias 1480-1533 (16) were married (he was her third-cousin) at Abbey of Santa Maria la Real de Huelgas. Margaret Habsburg Princess Asturias 1480-1533 (16) by marriage Prince Asturias.

Around 1497 William Pole 1478-1539 (19) and Katherine Stourton Baroness Grey Codnor 1455-1521 were married (he was her third-cousin).

Marriage of James IV of Scotland and Margaret Tudor

On 08 Aug 1503 James IV King Scotland 1473-1513 (30) and Margaret Tudor (13) were married (he was her third-cousin) at Holyrood Abbey, Holyrood. Thomas Howard 2nd Duke Norfolk 1443-1524 (60) and James Hamilton 1st Earl Arran 1475-1529 (28) were present.

Around 1525 Unknown Artist.French. Portrait of an Unknown Woman formerly known as Margaret Tudor Queen Scotland 1489-1541 (35).

Before 1504 John Grey 2nd Viscount Lisle 1481-1504 and Muriel Howard Viscountess Lisle were married (he was her third-cousin). Muriel Howard Viscountess Lisle by marriage Viscountess Lisle (2C 1483).

Around Dec 1509 George Hastings 1st Earl Huntingdon 1487-1544 (22) and Anne Stafford Countess Huntingdon 1483-1544 (26) were married (he was her third-cousin).

After 21 Apr 1509 Thomas Wriothesley Garter King of Arms -1534 made a drawing of the death of Henry VII (he wasn't present). The drawing shows those present and in some cases provides their arms by which they can be identified. From top left clockwise:
Richard Foxe Bishop 1448-1528
Two tonsured clerics
George Hastings 1st Earl Huntingdon 1487-1544
Richard Weston of Sutton Place 1465-1541
Richard Clement of Ingham Mote 1482-1538
Matthew Baker Governor Jersey -1513
John Sharpe of Coggleshall in Essex -1518
Physician holding urine bottle
William Tyler
Hugh Denys
William Fitzwilliam 1st Earl Southampton 1490-1542 closing the King's eyes.There is doubt as to whether the person shown is William Fitzwilliam 1st Earl Southampton 1490-1542 given his age of around nineteen at the King's death. He appears to be holding a Staff of Office although sources state he wasn't appointed Gentleman Usher, in which role he would have a Staff of Office, until Henry VIII's Coronation in Jun 1509.
The Arms below him are Quarterly 1 Lozengy Argent & Gules (FitzWilliam); 2 Arms of John Neville 1st Marquess Montagu 1431-1471 3 Quartered 1 possibly Plantagent with white border ie Holland 2 and 3 Tibetot, 4 Unknown, overall a star for difference indicating third son. William Fitzwilliam 1st Earl Southampton 1490-1542 was his father's third son, and his mother was Lucy Neville 1468-1534 daughter of John Neville 1st Marquess Montagu 1431-1471. It appears correct that the person represented is William Fitzwilliam 1st Earl Southampton 1490-1542. William Fitzwilliam 1st Earl Southampton 1490-1542 was the childhood companion of Henry VIII.
Physician holding urine bottle

On May 1510 Henry Pole 1st Baron Montagu 1492-1539 (18) and Jane Neville Baroness Montagu were married (he was her third-cousin). Jane Neville Baroness Montagu by marriage Baroness Montagu.

After Nov 1517 William Gascoigne 1467-1551 and Margaret Neville 1494-1532 were married (he was her third-cousin).

Before 17 Feb 1523 William Stourton 5th Baron Stourton 1457-1523 and Catherine Pole 1477-1513 were married (he was her third-cousin).

In 1526 Thomas Berkeley 6th Baron Berkeley 1505-1534 (21) and Mary Hastings Baroness Berkeley 1514-1532 (12) were married (he was her third-cousin).

In 1532 James Hamilton 1st Duke Châtellerault 1516-1575 (16) and Margaret Douglas Duchess Châtellerault were married (he was her third-cousin). Margaret Douglas Duchess Châtellerault by marriage Countess Arran.

Marriage of Henry Fitzroy and Mary Howard

On 28 Nov 1533 Henry Fitzroy Tudor 1st Duke Richmond and Somerset 1519-1536 (14) and Mary Howard Duchess Richmond and Somerset 1519-1557 (14) were married (he was her third-cousin). Mary Howard Duchess Richmond and Somerset 1519-1557 (14) by marriage Duchess of Richmond and Somerset. Another coup for the Howard Family especially in view of Henry Fitzroy being considered by some as a possible heir in view of Anne Boleyn's
.

On 18 Jun 1538 James V King Scotland 1512-1542 (26) and Mary of Guise Queen Consort Scotland 1515-1560 (22) were married (he was her third-cousin) at St Andrew's Cathedral, St Andrew's. Mary of Guise Queen Consort Scotland 1515-1560 (22) by marriage Queen Consort Scotland.

Around 1535 Corneille de Lyon 1520-1575 (15). Portrait of James V King Scotland 1512-1542 (22).

Around 1536 Corneille de Lyon 1520-1575 (16). Portrait of James V King Scotland 1512-1542 (23).

In 1553 Archibald Campbell 5th Earl Argyll 1534-1573 (19) and Jean Stewart Countess Argyll -1588 were married (he was her third-cousin). Jean Stewart Countess Argyll -1588 by marriage Countess Argyll.

Before 10 Dec 1553 Anthony Browne 1st Viscount Montague 1528-1592 and Magdalen Dacre Viscountess Montague 1538-1608 were married (he was her third-cousin).

In 1559 Hans Eworth 1520-1574 (39). Portrait of Anthony Browne 1st Viscount Montague 1528-1592 (30) wearing a Garter Collar and St George Pendant.

On 22 Jun 1558 Thomas Percy 7th Earl Northumberland 1528-1572 (30) and Anne Somerset Countess Northumberland 1538-1596 (20) were married (he was her third-cousin). Anne Somerset Countess Northumberland 1538-1596 (20) by marriage Countess Northumberland (1C 1377).

After 1572 Arthur Grey 14th Baron Grey Wilton 1536-1593 and Jane Sibella Morrison Baroness Grey Wilton were married (he was her third-cousin).

In 1577 George Clifford 3rd Earl Cumberland 1558-1605 (18) and Margaret Russell Countess Cumberland 1560-1616 (16) were married (he was her third-cousin), she being the daughter of Francis Russell 2nd Earl Bedford 1527-1585 (50) who had been given George's wardship by Queen Elizabeth I of England and Ireland (43). Margaret Russell Countess Cumberland 1560-1616 (16) by marriage Countess Cumberland.

Around 1590 Nicholas Hilliard Painter 1547-1619 (43). Portrait of George Clifford 3rd Earl Cumberland 1558-1605 (31).

Around 1590 Unknown Artist. Portrait of Unknown Man. Possibly George Clifford 3rd Earl Cumberland 1558-1605 (31).

In 1583 Mid-Seventeeth Century copy.Unknown Artist. Portrait of Margaret Russell Countess Cumberland 1560-1616 (22).

Around 1546. William Scrots 1517-1553 (29). Portrait of Queen Elizabeth I of England and Ireland (12) before her accession painted for her father.

Around 1570 Hans Eworth 1520-1574 (50). Portrait of Queen Elizabeth I of England and Ireland (36).

In 1572 Nicholas Hilliard Painter 1547-1619 (25) painted the "Pelican Portrait" of Elizabeth I (38).
The Pelican being the pendant hung from her necklace of pearls; pearls a symbol of virginity.Pelicans traditionally used as sign of self-sacrifice since the Pelican was believed to peck at her own breast to feed her young; the symbolism meaning Elizabeth had sacrificed herself for England.
Other details include the highly decorated armlet above her elbow and many jewels over her red velvet gown and headress.The two cherries tucked into her right ear possibly refer to her virginity; possibly an over-interpretation of the modern use of cherry.
Research in 2010 found the painting used wood from the same tree used for the Phoenix Portrait.

In 1572 Nicholas Hilliard Painter 1547-1619 (25) painted the "Phoenix Portrait" of Elizabeth I (38).
Research in 2010 found the painting used wood from the same tree used for the Pelican Portrait.

Around 1592 Marcus Gheeraerts 1562-1636 (30).The Ditchley Portrait of Queen Elizabeth I of England and Ireland (58).

After 1585 Unknown Artist. Portrait of Queen Elizabeth I of England and Ireland.

Around 1563 Steven van der Meulen Painter -1564. Portrait of Queen Elizabeth I of England and Ireland (29).

On 23 Jan 1581 James "The Bonnie Earl" Stewart 2nd Earl Moray 1565-1592 (16) and Elizabeth Stewart 2nd Countess Moray 1565-1591 (15) were married (he was her third-cousin). Elizabeth Stewart 2nd Countess Moray 1565-1591 (15) by marriage Lord Doune. James "The Bonnie Earl" Stewart 2nd Earl Moray 1565-1592 (16) by marriage 2nd Earl Moray (5C 1562).

Before 1582 Thomas Howard 1st Earl Suffolk 1561-1626 and Catherine Knyvet Countess Suffolk 1564-1638 were married (he was her third-cousin). Catherine Knyvet Countess Suffolk 1564-1638 by marriage Baroness Audley Waldon in Essex.

In 1598 Unknown Artist. Portrait of Thomas Howard 1st Earl Suffolk 1561-1626 (36).

Around 1616 William Larkin 1582-1619 (34). Portrait of Catherine Knyvet Countess Suffolk 1564-1638 (52).

In 1584 Thomas Scrope 10th Baron Scrope Bolton 1567-1609 (17) and Philadelphia Carey Baroness Scrope Bolton were married (he was her third-cousin).

On 24 Jul 1592 Archibald Campbell 7th Earl Argyll 1575-1638 (17) and Agnes Douglas Countess Argyll 1574-1607 (18) were married (he was her third-cousin).

In 1593 Robert Catesby 1572-1605 (20) and Catherine Leigh 1573- were married (he was her third-cousin).

Before 10 Aug 1593 John Wentworth 1564-1613 and Cicely Unton 1561-1618 were married (he was her third-cousin).

On 07 Feb 1597 William Howard 1577-1615 (19) and Anne St John were married (he was her third-cousin).

In 1599 Thomas Egerton 1577- and Elizabeth Venables 1575- were married (he was her third-cousin).

On 26 Dec 1605 Charles Blount 1st Earl Devonshire 1563-1606 (42) and Penelope Devereux Countess Devonshire 1563-1607 (42) were married (he was her third-cousin) at Wansted House, Wanstead, Redbridge during a service conducted by William Laud Archbishop Canterbury 1573-1645 (32) (future). The marriage was regarded as uncanonical and resulted in the disgrace of both parties, who were banished from King James I's court circles. Penelope Devereux Countess Devonshire 1563-1607 (42) by marriage Countess Devonshire.

Around 1604 John Critz 1551-1642 (53) is believed to have contributed to the Somerset House Conference painting of the negotiation of the Treaty of London in which Thomas Sackville 1st Earl Dorset 1536-1608 (68), Charles Howard 1st Earl Nottingham 1536-1624 (68), Charles Blount 1st Earl Devonshire 1563-1606 (41), Henry Howard 1st Earl Northampton 1540-1614 (63) and Robert Cecil 1st Earl Salisbury 1563-1612 (40) are represented on the right side.

In 1631 Daniel Mijtens 1590-1648 (41). Portrait of William Laud Archbishop Canterbury 1573-1645 (57).

Around 1636 Anthony Van Dyck 1599-1641 (36). Portrait of William Laud Archbishop Canterbury 1573-1645 (62). Wearing a black Chimere over his white Rochet.

On 24 Apr 1606 Henry Lorraine II Duke Lorraine 1563-1624 (43) and Margherita Gonzaga Duchess Lorraine 1591-1632 (14) were married (he was her third-cousin).

Before 1607 Thomas Howard 21st Earl Arundel, 4th Earl Surrey, 1st Earl Norfolk 1586-1646 and Alethea Talbot Countess Arundel were married (he was her third-cousin). Alethea Talbot Countess Arundel by marriage Countess Arundel (Sussex), Earl Surrey (3C 1483).

In 1618 Daniel Mijtens 1590-1648 (28). Portrait of Thomas Howard 21st Earl Arundel, 4th Earl Surrey, 1st Earl Norfolk 1586-1646 (31).

In 1630 Daniel Mijtens 1590-1648 (40). Portrait of Thomas Howard 21st Earl Arundel, 4th Earl Surrey, 1st Earl Norfolk 1586-1646 (43) and wearing his Garter Collar.

Around 1629 Peter Paul Rubens Painter 1577-1640 (51). Portrait of Thomas Howard 21st Earl Arundel, 4th Earl Surrey, 1st Earl Norfolk 1586-1646 (42).

Around 1650 Heneage Finch 3rd Earl Winchelsea 1628-1689 (22) and Mary Seymour Countess Winchelsea 1637-1673 (13) were married (he was her third-cousin). Mary Seymour Countess Winchelsea 1637-1673 (13) by marriage Countess Winchelsea.

On 29 Apr 1656 William Hamilton 3rd Duke Hamilton 1634-1694 (21) and Anne Hamilton 3rd Duchess Hamilton 1632-1716 (24) were married (he was her third-cousin). Anne Hamilton 3rd Duchess Hamilton 1632-1716 (24) by marriage Countess Selkirk. William Hamilton 3rd Duke Hamilton 1634-1694 (21) by marriage 3rd Duke Hamilton.

1815. James Lonsdale Painter 1777-1839 (37). Portrait of Anne Hamilton 3rd Duchess Hamilton 1632-1716.

On 11 Apr 1664 Nicholas Tufton 3rd Earl Isle Thanet 1631-1679 (32) and Elizabeth Boyle Countess Isle Thanet were married (he was her third-cousin). Elizabeth Boyle Countess Isle Thanet by marriage Countess Isle Thanet.

Before 1666 Patrick Chaworth 3rd Viscount Chaworth 1635-1693 and Grace Manners Viscountess Chaworth -1700 were married (he was her third-cousin). Grace Manners Viscountess Chaworth -1700 by marriage Viscountess Chaworth in County Armagh.

In 1672 George Savile 1st Marquess Halifax 1633-1695 (38) and Gertrude Pierrepoint Marchioness Halifax were married (he was her third-cousin).

Around 1678 Mary Cradock 1633-1699 (44). Portrait of George Savile 1st Marquess Halifax 1633-1695 (44).

On 08 Jan 1673 John Manners 1st Duke Rutland 1638-1711 (34) and Catherine Noel Duchess Rutland 1657-1733 (16) were married (he was her third-cousin).

Before 1733. Michael Dahl 1659-1743. Portrait of Catherine Noel Duchess Rutland 1657-1733.

On Oct 1676 George Gordon 1st Duke Gordon 1643-1716 (33) and Elizabeth Howard Duchess Gordon were married (he was her third-cousin). Elizabeth Howard Duchess Gordon by marriage Marchioness Huntly.

After 1678 Charles Dormer 2nd Earl Carnarvon 1632-1709 and Mary Bertie Countess Carnarvon 1655-1709 were married (he was her third-cousin). Mary Bertie Countess Carnarvon 1655-1709 by marriage Countess Carnarvon (1C 1628), Baron Dormer.

On 10 Jul 1679 Charles Paulet 2nd Duke Bolton 1661-1722 (18) and Margaret Coventry 1657-1682 (22) were married (he was her third-cousin).

On 07 Mar 1680 Louis "Le Grand Dauphin" Bourbon Duke Burgundy 1661-1711 (18) and Maria Anna Victoria Wittelsbach Duchess Burgundy 1660-1690 (19) were married (he was her third-cousin). Maria Anna Victoria Wittelsbach Duchess Burgundy 1660-1690 (19) by marriage Duchess Burgundy.

Before 1681 Alexander Home 7th Earl Home -1720 and Anne Kerr Countess Home were married (he was her third-cousin).

Around 06 Jul 1682 James Seton 4th Earl Dunfermline 1643-1694 (39) and Jean Gordon Countess Dunfermline were married (he was her third-cousin). Jean Gordon Countess Dunfermline by marriage Countess Dunfermline.

On 25 Dec 1688 Edmund Bacon 4th Baronet Bacon 1672-1721 (16) and Philippa Bacon Baronetess Bacon -1710 were married (he was her third-cousin). Philippa Bacon Baronetess Bacon -1710 by marriage Lady Bacon of Mildenhall.

In 1705 John Montagu 2nd Duke Montagu 1690-1749 (15) and Mary Churchill Duchess Montagu 1689-1751 (15) were married (he was her third-cousin).

Before 1723 Godfrey Kneller Painter 1646-1723. Portrait of John Montagu 2nd Duke Montagu 1690-1749.

Around 1740 George Knapton 1698-1778 (42). Portrait of John Montagu 2nd Duke Montagu 1690-1749 (50).

Around 1735 Gavin Hamilton 1723-1798 (12). Portrait of John Montagu 2nd Duke Montagu 1690-1749 (45) and Mary Churchill Duchess Montagu 1689-1751 (45), and Mary Montagu Duchess Montagu 1711-1775 (24).

On 11 Oct 1731 John Russell 4th Duke Bedford 1710-1771 (21) and Diana Spencer Duchess Bedford 1710-1735 (21) were married (he was her third-cousin).

Around 1770 Thomas Gainsborough 1727-1788 (42). Portrait of John Russell 4th Duke Bedford 1710-1771 (59).

In 1744 Francis Stephen Lorraine I Holy Roman Emperor 1708-1765 (35) and Maria Theresa Habsburg-Spain Holy Roman Empress 1717-1780 (26) were married (he was her third-cousin).

On 31 May 1750 Victor Amadeus III King Sardinia 1726-1796 (24) and Infanta Maria Antonia Spain 1729-1785 (20) were married (he was her third-cousin).

Before 1765 Thomas Thynne 1st Marquess Bath 1734-1796 and Elizabeth Bentinck Marchioness Bath 1735-1825 were married (he was her third-cousin). Elizabeth Bentinck Marchioness Bath 1735-1825 by marriage Viscountess Weymouth.

On 07 Mar 1775 Thomas Frankland 6th Baronet Thirkleby 1750-1831 (24) and Dorothy Smelt Baronetess Thirkleby 1750-1820 (25) were married (he was her third-cousin).

On 29 Sep 1791 Frederick Hanover Duke York 1763-1827 (28) and Frederica Charlotte Hohenzollern 1767-1820 (24) were married (he was her third-cousin) at Charlottenburg, Berlin.

1827. James Lonsdale Painter 1777-1839 (49). Portrait of Frederick Hanover Duke York 1763-1827 (63).

On 23 Nov 1791 Frederick Hanover Duke York 1763-1827 (28) and Frederica Charlotte Hohenzollern 1767-1820 (24) were married (he was her third-cousin) at Buckingham Palace.

On 13 Feb 1797 Wilhelm Hesse-Kassel 1777-1847 (19) and Princess Augusta of Prussia 1780-1841 (16) were married (he was her third-cousin).

1791. Wilhelm Bottner Painter 1752-1810 (38). Portrait of William Elector of Hesse 1743-1821 (47) and his family including his wife Wilhelmina Caroline Oldenburg 1747-1820 (43) and their children Wilhelm Hesse-Kassel 1777-1847 (13), Marie Friederike Hesse-Kassel 1768-1839 (22) and Karoline Amalie Hesse-Kassel Duchess Saxe-Gotha-Altenburg 1771-1848 (19).

1800. Wilhelm Bottner Painter 1752-1810 (47). Portrait of Princess Augusta of Prussia 1780-1841 (19).

In 1822 George James Welbore Agar 1st Baron Dover 1797-1833 (24) and Caroline Georgiana Howard Baroness Dover 1803-1881 (18) were married (he was her third-cousin).

In 1825. George Hayter 1792-1871 (32). Portrait of George James Welbore Agar 1st Baron Dover 1797-1833 (27).

In 1823 Dudley Ryder 2nd Earl Harrowby Lincolnshire 1798-1882 (24) and Frances Stuart Countess Harrowby Lincolnshire -1859 were married (he was her third-cousin).

On 12 Aug 1840 Francis Richard Grey 1813-1890 (27) and Elizabeth Dorothy Anne Howard 1816-1891 (23) were married (he was her third-cousin).

On 30 Apr 1850 Thomas Lyon-Bowes 12th Earl Strathmore and Kinghorne 1822-1865 (27) and Charlotte Maria Barrington 1826-1854 (24) were married (he was her third-cousin). Charlotte Maria Barrington 1826-1854 (24) by marriage Countess Strathmore and Kinghorne.

On 05 Feb 1857 Alfred Spencer-Churchill 1824-1893 (33) and Harriett Louisa Hester Gough 1832-1901 (25) were married (he was her third-cousin).

In 1863 William Henry Forester Denison 1st Earl Londesborough 1834-1900 (28) and Edith Frances Wilhelmine Somerset Countess Londesborough 1838-1915 (25) were married (he was her third-cousin). Edith Frances Wilhelmine Somerset Countess Londesborough 1838-1915 (25) by marriage Baroness Londesborough of Londesborough in the East Riding of Yorkshire.

In 1864 William Henry Francis Denison 2nd Earl Londesborough 1864-1917 and Grace Adelaide Fane Countess Londesborough 1860-1933 (3) were married (he was her third-cousin).

On 26 Sep 1865 Francis Leveson-Gower 1824-1895 (41) and Louisa Caroline Cavendish 1835-1907 (30) were married (he was her third-cousin).

On 10 Aug 1867 William Wentworth-Fitzwiliam 1839-1877 (28) and Laura Maria Theresa Beauclerk 1849-1886 (18) were married (he was her third-cousin).

Before 19 Mar 1879 Victor Alexander Grosvenor Grosvenor 1853-1884 and Sibell Mary Lumley 1855-1929 were married (he was her third-cousin).

On 05 Nov 1881 Henry Ulrick Lascelles 5th Earl Harewood 1846-1929 (35) and Florence Katharine Bridgeman Countess Harewood 1859-1943 (22) were married (he was her third-cousin).

On 01 Nov 1894 James Albert Edward Hamilton 3rd Duke Abercorn 1869-1953 (24) and Rosalind Cecilia Caroline Bingham Duchess Abercorn 1869-1958 (25) were married (he was her third-cousin) at St Paul's Church, Knightsbridge.

On 24 Jun 1896 William Charles de Meuron "Billy" Wentworth-Fitzwiliam 7th Earl Fitzwilliam 1872-1943 (23) and Maud Frederica Elizabeth Dundas Countess Fitzwilliam 1877-1967 (18) were married (he was her third-cousin) at St Paul's Cathedral.

Around 1750. Canaletto Painter 1697-1768. The City from near the Terrace of Somerset House with St Paul's Cathedral.

Around 1754. Canaletto Painter 1697-1768. St Paul's Cathedral.

On 14 Dec 1905 Henry Arthur Mornington Wellesley 3rd Earl Cowley 1866-1919 (39) and Millicent Florence Eleanor Wilson Countess Cowley 1872-1952 (33) were married (he was her third-cousin) at Colombo. Millicent Florence Eleanor Wilson Countess Cowley 1872-1952 (33) by marriage Countess Cowley (1C 1857).

In 1917 Edward Montagu Cavendish Stanley 1894-1938 (22) and Sibyl Louise Beatrix Cadogan 1893-1969 (24) were married (he was her third-cousin).

On 20 Apr 1931 Gottfried Hermann Alfred Hohenlohe-Langenburg 1897-1960 (34) and Margarita Glücksburg 1905-1981 (26) were married (he was her third-cousin).

On 20 Nov 1947 Philip Mountbatten Duke Edinburgh 1921- and Elizabeth II Queen United Kingdom 1926- were married (he was her third-cousin) at Westminster Abbey.

In 1962 Juan Carlos I King Spain 1938- and Sophia Glücksburg Queen Consort Spain 1938- were married (he was her third-cousin). Sophia Glücksburg Queen Consort Spain 1938- by marriage Queen Consort Spain.

Hugh Bigod 3rd Earl Norfolk 1182-1225 and Maud Marshal Countess Norfolk, Countess Surrey 1194-1248 were married (he was her third-cousin).

Francis Hay 9th Earl Erroll 1564-1631 and Mary Stewart Countess Erroll were married (he was her third-cousin). Mary Stewart Countess Erroll by marriage Countess Erroll.

Andrew William Kerr 1877-1929 and Marie Constance Kerr 1899-1929 were married (he was her third-cousin).

Lewis Clifford 1364-1404 and Eleanor Mowbray were married (he was her third-cousin).

Robert Ferrers 5th Baron Ferrers Chartley 1358-1413 and Margaret Despencer Baroness Ferrers Chartley -1415 were married (he was her third-cousin).

Robert Tiptoft 3rd Baron Tibetot 1341-1372 and Margaret Deincourt Baroness Tibetot 1344-1380 were married (he was her third-cousin). Margaret Deincourt Baroness Tibetot 1344-1380 by marriage Baroness Tibetot.

John Scrope 8th Baron Scrope Bolton 1510-1549 and Catherine Clifford Baroness Scrope Bolton 1513-1598 were married (he was her third-cousin). Catherine Clifford Baroness Scrope Bolton 1513-1598 by marriage Baroness Scrope Bolton.

Henry Scrope 9th Baron Scrope Bolton 1534-1592 and Margaret Howard Baroness Scrope Bolton 1543-1591 were married (he was her third-cousin). Margaret Howard Baroness Scrope Bolton 1543-1591 by marriage Baroness Scrope Bolton.

Algernon Fulke Leveson-Gower 1825-1891 and Alice Louisa Cavendish 1837-1905 were married (he was her third-cousin).

John Grey 1387-1439 and Margaret Mowbray Baroness Grey Ruthyn 1388-1459 were married (he was her third-cousin). Margaret Mowbray Baroness Grey Ruthyn 1388-1459 by marriage Baroness Grey Ruthyn (1324).

John Grey 1524-1564 and Mary Browne were married (he was her third-cousin).

Hugh Hastings 7th Baron Hastings 1350-1386 and Anne Despencer Baroness Hastings, Baroness Marshal, Baroness Morley 1358-1426 were married (he was her third-cousin).

John Hastings 11th Baron Hastings 1466-1504 and Catherine Aske Baroness Hastings -1507 were married (he was her third-cousin).

Thomas Holland 2nd Earl Kent 1350-1397 1350-1397 and Alice Fitzalan Countess Kent 1350-1416 were married (he was her third-cousin). Alice Fitzalan Countess Kent 1350-1416 by marriage Countess Kent (6C 1360).

Henry Arthur Lascelles 1842-1913 and Caroline Maria Gore -1945 were married (he was her third-cousin).

Richard Musgrave 1431-1491 and Joan Clifford were married (he was her third-cousin).

Ralph Neville -1498 and Mary Paston were married (he was her third-cousin).

Henry Neville 1437-1469 and Joan Bourchier were married (he was her third-cousin). He was buried in the Beauchamp Chapel, St Mary's Church, Warwick.

Thomas Neville 5th Baron Furnivall 1362-1406 and Joan Furnival 5th Baroness Furnivall 1375-1395 were married (he was her third-cousin).

John Ros 7th Baron Ros Helmsley 1397-1421 and Margery Despencer 3rd Baroness Despencer, Baroness Ros Helmsley 1397-1478 were married (he was her third-cousin). Margery Despencer 3rd Baroness Despencer, Baroness Ros Helmsley 1397-1478 by marriage Baroness Ros Helmsley.

John Segrave -1353 and Blanche Mowbray Baroness Poynings -1409 were married (he was her third-cousin).

Edward Seymour 1586-1618 and Anne Sackville -1664 were married (he was her third-cousin).

Henry Poole 1592-1652 and Beatrix Brydges were married (he was her third-cousin).

Edward Stanley 3rd Earl Derby 1509-1572 and Katherine Howard Countess Derby were married (he was her third-cousin) without the King's permission.

Around 1532 Hans Holbein The Younger 1497-1543 (35). Drawing of Edward Stanley 3rd Earl Derby 1509-1572 (22).

Geoffrey Dudley and Eleanor Talbot 1506-1583 were married (he was her third-cousin).

Henry Ughtred 6th Baron Ughtred -1510 and Agnes Constable Baroness Ughtred were married (he was her third-cousin). Agnes Constable Baroness Ughtred by marriage Baroness Ughtred.

Thomas Percy 1504-1537 and Eleanor Harbottle 1504-1567 were married (he was her third-cousin).

Richard "Red Earl" Burgh 2nd Earl Ulster 1259-1326 and Margaret Burgh Countess Ulster were married (he was her third-cousin). Margaret Burgh Countess Ulster by marriage Countess Ulster.

John Courtenay 15th Earl Devon 1435-1471 and Laura Bourchier Countess Devon 1440- were married (he was her third-cousin).

William Mowbray 6th Baron Thirsk, 4th Baron Mowbray 1173-1224 and Avice Daubigny Baroness Thirsk, Baroness Mowbray 1196-1214 were married (he was her third-cousin). Avice Daubigny Baroness Thirsk, Baroness Mowbray 1196-1214 by marriage Baroness Thirsk, Baron Mowbray (1C 1283).

Gilbert Clare 5th Earl Gloucester, 4th Earl Hertford 1180-1230 and Isabel Marshal Countess Cornwall, Countess Gloucester, Countess Hertford 1200-1240 were married (he was her third-cousin). Isabel Marshal Countess Cornwall, Countess Gloucester, Countess Hertford 1200-1240 by marriage Countess Gloucester (1C 1121), Earl Hertford (1C 1138).

James Butler 1st Earl Wiltshire, 5th Earl Ormonde 1420-1461 and Eleanor Beaufort Countess Ormonde 1432-1501 were married (he was her third-cousin). Eleanor Beaufort Countess Ormonde 1432-1501 by marriage Countess Ormonde (1C 1328).

John Stewart 4th Earl Atholl -1579 and Margaret Fleming Countess Atholl 1529-1586 were married (he was her third-cousin). Margaret Fleming Countess Atholl 1529-1586 by marriage Countess Atholl (8C 1457).

Henry Herbert 4th Baron Herbert Chirbury 1640-1691 and Catherine Newport Baroness Herbert Chirbury were married (he was her third-cousin).

Godfrey "Bearded" Ardennes III Duke Lower Lorraine 997-1069 and Beatrice Ardennes were married (he was her third-cousin).

Roger Boyle 2nd Earl Orrery 1646-1692 and Mary Sackville Countess Orrery 1648-1710 were married (he was her third-cousin).

Louis "Lion" VIII King France 1187-1226 and Blanche Ivrea Queen Consort France 1188-1252 were married (he was her third-cousin). Blanche Ivrea Queen Consort France 1188-1252 by marriage Queen Consort France.

Louis X King France I Navarre 1289-1316 and Clementia Hungary Queen Consort France 1293-1328 were married (he was her third-cousin). Clementia Hungary Queen Consort France 1293-1328 by marriage Queen Consort France.

Louis "Father of the People" XI King France 1423-1483 and Charlotte Savoy Queen Consort France 1441-1483 were married (he was her third-cousin).

John Valois-Anjou II Duke Anjou 1424-1470 and Marie Bourbon Duchess Anjou 1428-1448 were married (he was her third-cousin). Marie Bourbon Duchess Anjou 1428-1448 by marriage Duchess Anjou.

Louis François Bourbon-Condé-Conti 1703-1704 and Louise Diane Bourbon 1716-1736 were married (he was her third-cousin).

Philip Capet Count Boulogne 1200-1234 and Matilda Dammartin Queen Consort Portugal 1202-1259 were married (he was her third-cousin).

Arthur Capet Duke Brittany 1261-1312 and Yolande Capet Duchess Brittany 1261-1330 were married (he was her third-cousin). Yolande Capet Duchess Brittany 1261-1330 by marriage Duchess Brittany (1221 Dreux), Earl Richmond (1C 1136).

John Montfort V Duke Brittany 1339-1399 and Mary Plantagenet Duchess Brittany 1344-1361 were married (he was her third-cousin).

Hugh Burgundy IV Duke Burgundy 1213-1272 and Beatrix Blois Duchess Burgundy 1242-1295 were married (he was her third-cousin). Beatrix Blois Duchess Burgundy 1242-1295 by marriage Duchess Burgundy.

Guy Chatillon V Count Saint-Pol -1360 and Johanna Luxembourg -1392 were married (he was her third-cousin).

Raoul Coucy 1134-1191 and Alix II Dreux 1156-1214 were married (he was her third-cousin).

Raoul Coucy II Lord Coucy -1250 and Philippe Dammartin Count Eu -1280 were married (he was her third-cousin).

William Dampierre III Count Flanders 1224-1251 and Beatrix Reginar Count Flanders 1225-1288 were married (he was her third-cousin). Beatrix Reginar Count Flanders 1225-1288 by marriage Count Flanders.

Louis Dampierre III Count Nevers, II Count Flanders 1330-1384 and Margaret Brabant Count Nevers, Count Flanders 1323-1380 were married (he was her third-cousin). Margaret Brabant Count Nevers, Count Flanders 1323-1380 by marriage Count Nevers, Count Flanders.

Robert Dampierre Count Marle -1331 and Joan Montfort 1296-1364 were married (he was her third-cousin).

Gerald "Wizard Earl" Fitzgerald 11th Earl Kildare 1525-1585 and Mabel Browne Countess Kildare were married (he was her third-cousin). Mabel Browne Countess Kildare by marriage Countess Kildare.

Baldwin Flanders V Count Hainault 1150-1195 and Margaret Metz Count Hainault, Count Flanders -1194 were married (he was her third-cousin). Margaret Metz Count Hainault, Count Flanders -1194 by marriage Count Hainault.

Baldwin Flanders II Count Boulogne -1027 and Adelina Gerulfing Count Boulogne, Count Ponthieu were married (he was her third-cousin). Adelina Gerulfing Count Boulogne, Count Ponthieu by marriage Count Boulogne.

Piers Mauley 8th Baron Mauley 1377-1415 and Maud Neville Baroness Haversham 1383-1438 were married (he was her third-cousin). Maud Neville Baroness Haversham 1383-1438 by marriage Baroness Haversham.

Frederick Christian Oldenburg 1831-1917 and Helena Windsor 1846-1923 were married (he was her third-cousin).

Amadeus "Happy" Savoy IX Duke Savoy 1435-1472 and Yolande Valois Duchess Savoy 1434-1478 were married (he was her third-cousin). Yolande Valois Duchess Savoy 1434-1478 by marriage Duchess Savoy.

John Gordon and Sophia Hay were married (he was her third-cousin).