Anne Stafford Duchess Exeter was born to Edmund Stafford 5th Earl Stafford and Anne of Gloucester Plantagenet Countess Eu and Stafford. She a great granddaughter of King Edward III of England.
Around 1390 [her uncle] Thomas Stafford 3rd Earl Stafford 1368-1392 (age 22) and [her mother] Anne of Gloucester Plantagenet Countess Eu and Stafford (age 7) were married. She by marriage Countess Stafford. She would, eight years later marry his younger brother Edmund Stafford 5th Earl Stafford (age 11); an example of a Married to Two Siblings. She the daughter of Thomas of Woodstock 1st Duke of Gloucester (age 34) and Eleanor Bohun Duchess Gloucester (age 24). He the son of Hugh Stafford 2nd Earl Stafford 1336-1386 and Philippa Beauchamp Countess Stafford 1334- (age 56). They were third cousin once removed. He a great x 3 grandson of King Edward "Longshanks" I of England. She a granddaughter of King Edward III of England. 
On 06 Apr 1395 [her uncle] William Stafford 4th Earl Stafford 1375-1395 (age 19) died at Pleshey Castle [Map]. He was buried at Tonbridge, Kent [Map]. His brother [her father] Edmund Stafford 5th Earl Stafford (age 17) succeeded 5th Earl Stafford, 6th Baron Stafford.
On 28 Jun 1398 [her father] Edmund Stafford 5th Earl Stafford (age 20) and [her mother] Anne of Gloucester Plantagenet Countess Eu and Stafford (age 15) were married. She by marriage Countess Stafford. She had, around eight years previously, married his brother [her uncle] Thomas Stafford 3rd Earl Stafford 1368-1392 who had died in 1392; an example of Married to Two Siblings. She the daughter of Thomas of Woodstock 1st Duke of Gloucester and Eleanor Bohun Duchess Gloucester (age 32). He the son of Hugh Stafford 2nd Earl Stafford 1336-1386 and Philippa Beauchamp Countess Stafford 1334- (age 64). They were third cousin once removed. He a great x 3 grandson of King Edward "Longshanks" I of England. She a granddaughter of King Edward III of England.
On 20 Jul 1398 Roger Mortimer 4th Earl March 6th Earl Ulster (age 24) died at Kells, County Meath. He was buried at Wigmore Abbey [Map]. His son [her future husband] Edmund Mortimer 5th Earl March 7th Earl Ulster (age 6) succeeded Heir to the Throne of England, 5th Earl March, 7th Earl Ulster, 7th Baron Mortimer of Wigmore.
On 21 Jul 1403 King Henry IV of England (age 36), with his son the future King Henry V of England (age 16), defeated the rebel army of Henry "Hotspur" Percy (age 39) at the Battle of Shrewsbury at the site now known as Battlefield, Shrewsbury [Map]. King Henry V of England (age 16) took an arrow to the side of his face leaving him severely scarred. John Stanley (age 53) was wounded in the throat. Thomas Strickland (age 36) fought and was awarded £38 and two of the rebel Henry's horses. Richard Beauchamp 13th Earl Warwick (age 21) fought for the King. Walter Blount (age 55), the King's Standard Bearer, was killed by Archibald Douglas 1st Duke Touraine (age 31).
Thomas Wendesley (age 59) and Edmund Cockayne (age 47) were killed.
[her father] Edmund Stafford 5th Earl Stafford (age 25) was killed. His son [her brother] Humphrey Stafford succeeded 6th Earl Stafford, 7th Baron Stafford.
Hugh Shirley (age 52) was killed; he was one of four knights dressed as King Henry IV of England (age 36).
Of the rebels, Henry "Hotspur" Percy (age 39), Madog Kynaston (age 43) and John Clifton were killed.
Thomas Percy 1st Earl of Worcester (age 60) was beheaded after the battle. Earl Worcester extinct.
Richard Vernon 11th Baron Shipbrook (age 48) was hanged.
John Rossall was killed. His sister Eleanor Rossall (age 26) inherited a half-share in the Rossall Shrewsbury [Map] estates.
John Massey (age 65) was killed.
In 1405 William Bourchier 1st Count Eu (age 31) and [her mother] Anne of Gloucester Plantagenet Countess Eu and Stafford (age 22) were married. She the daughter of Thomas of Woodstock 1st Duke of Gloucester and Eleanor Bohun Duchess Gloucester. She a granddaughter of King Edward III of England. 
In 1415 Edmund Mortimer 5th Earl March 7th Earl Ulster (age 23) and Anne Stafford Duchess Exeter were married. She by marriage Countess March, Countess Ulster. She the daughter of Edmund Stafford 5th Earl Stafford and Anne of Gloucester Plantagenet Countess Eu and Stafford (age 32). He the son of Roger Mortimer 4th Earl March 6th Earl Ulster and Eleanor Holland Countess March and Ulster 1370-1405. They were second cousin once removed. He a great x 2 grandson of King Edward III of England. She a great granddaughter of King Edward III of England. 
On 28 Feb 1422 John Tiptoft 1st Baron Tiptoft and [her sister-in-law] Joyce Charleton Baroness Tiptoft (age 18) were married. She by marriage Baroness Tiptoft. She the daughter of Edward Charleton 5th Baron Cherleton and Eleanor Holland Countess March and Ulster 1370-1405. She a great x 3 granddaughter of King Edward "Longshanks" I of England. 
On 18 Jan 1425 [her husband] Edmund Mortimer 5th Earl March 7th Earl Ulster (age 33) died at Trim Castle. He was buried at Clare Priory, Suffolk [Map]. His nephew Richard Plantagenet 3rd Duke York (age 13) succeeded 6th Earl March.
On 06 Mar 1427 John Holland 2nd Duke Exeter (age 31) and Anne Stafford Duchess Exeter were married. She by marriage Duchess Exeter. She the daughter of Edmund Stafford 5th Earl Stafford and Anne of Gloucester Plantagenet Countess Eu and Stafford (age 44). He the son of John Holland 1st Duke Exeter and Elizabeth Lancaster Duchess Exeter. They were second cousins. He a great grandson of King Edward III of England. She a great granddaughter of King Edward III of England.
On 27 Jun 1430 [her son] Henry Holland 3rd Duke Exeter was born to [her husband] John Holland 2nd Duke Exeter (age 35) and Anne Stafford Duchess Exeter. He a great x 2 grandson of King Edward III of England. Coefficient of inbreeding 2.68%.
On 20 Sep 1432 Anne Stafford Duchess Exeter died.
On 20 Jan 1433 [her former husband] John Holland 2nd Duke Exeter (age 37) and Beatrice Aviz Duchess Exeter (age 51) were married. She by marriage Duchess Exeter. She the daughter of King John I of Portugal 1352-1433 (age 81) and Ines Peres. He the son of John Holland 1st Duke Exeter and Elizabeth Lancaster Duchess Exeter. He a great grandson of King Edward III of England. 
After 25 Oct 1439 [her former husband] John Holland 2nd Duke Exeter (age 44) and Anne Montagu Duchess Exeter 1400-1457 (age 39) were married. She by marriage Duchess Exeter. She the daughter of John Montagu 3rd Earl Salisbury and Maud Francis Countess of Salisbury. He the son of John Holland 1st Duke Exeter and Elizabeth Lancaster Duchess Exeter. They were half third cousin once removed. He a great grandson of King Edward III of England. She a great x 3 granddaughter of King Edward "Longshanks" I of England. 
On 05 Aug 1447 [her former husband] John Holland 2nd Duke Exeter (age 52) died at Stepney [Map]. He was buried at the Church of St Katharine's by the Tower [Map]. His son [her son] Henry Holland 3rd Duke Exeter (age 17) succeeded 3rd Duke Exeter, 3rd Earl Huntingdon. Anne York Duchess Exeter (age 7) by marriage Duchess Exeter.
[her daughter] Anne Holland Countess Douglas and Avondale was born to John Holland 2nd Duke Exeter and Anne Stafford Duchess Exeter. She a great x 2 granddaughter of King Edward III of England. Coefficient of inbreeding 2.68%.
Roger Fiennes and Elizabeth Holland were married. She the daughter of John Holland 1st Duke Exeter and Elizabeth Lancaster Duchess Exeter. She a great granddaughter of King Edward III of England. 
Paternal Family Tree: Stafford
Maternal Family Tree: Aoife NI Diarmait Macmurrough Countess Pembroke and Buckingham 1145-1188
Descendants Family Trees:
Kings Wessex: Great x 11 Grand Daughter of King Edmund "Ironside" I of England
Kings Gwynedd: Great x 8 Grand Daughter of Owain "Great" King Gwynedd 1100-1170
Kings Seisyllwg: Great x 14 Grand Daughter of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 9 Grand Daughter of Maredudd ap Bleddyn King Powys 1047-1132
Kings England: Great Grand Daughter of King Edward III of England
Kings Scotland: Great x 9 Grand Daughter of Malcolm III King Scotland
Kings Franks: Great x 7 Grand Daughter of Louis VII King Franks
Kings France: Great x 3 Grand Daughter of Philip "The Fair" IV King France
Great x 4 Grandfather: Robert Stafford
Great x 3 Grandfather: Nicholas Stafford
Great x 4 Grandmother: Alice Corbet
Great x 2 Grandfather: Edmund Stafford 1st Baron Stafford
Great x 4 Grandfather: Thomas Clinton
Great x 3 Grandmother: Eleanor Clinton
Great x 1 Grandfather: Ralph Stafford 1st Earl Stafford 7 x Great Grand Son of King Henry I "Beauclerc" England
Great x 4 Grandfather: Ralph Basset
Great x 3 Grandfather: Ralph Basset 1st Baron Basset Drayton 5 x Great Grand Son of King Henry I "Beauclerc" England
Great x 4 Grandmother: Margaret Somery Baroness Basset Drayton 4 x Great Grand Daughter of King Henry I "Beauclerc" England
Great x 2 Grandmother: Margaret Basset 6 x Great Grand Daughter of King Henry I "Beauclerc" England
GrandFather: Hugh Stafford 2nd Earl Stafford 1336-1386 2 x Great Grand Son of King Edward "Longshanks" I of England
Great x 4 Grandfather: James Audley
Great x 3 Grandfather: Hugh Audley 1st Baron Audley Stratton Audley 2 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Ela Longespée Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 2 Grandfather: Hugh Audley 1st Earl Gloucester 3 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Roger le Rous
Great x 3 Grandmother: Isolde le Rous
Great x 1 Grandmother: Margaret Audley Countess Stafford Great Grand Daughter of King Edward "Longshanks" I of England
Great x 4 Grandfather: Richard de Clare 6th Earl Gloucester 5th Earl Hertford
3 x Great Grand Son of King Henry I "Beauclerc" England
Great x 3 Grandfather: Gilbert "Red Earl" Clare 7th Earl Gloucester 6th Earl Hertford 4 x Great Grand Son of King Henry I "Beauclerc" England
Great x 4 Grandmother: Maud Lacy Countess Gloucester and Hertford 1223-1289
4 x Great Grand Daughter of King Henry I "Beauclerc" England
Great x 2 Grandmother: Margaret Clare Countess Gloucester Grand Daughter of King Edward "Longshanks" I of England
Great x 4 Grandfather: King Edward "Longshanks" I of England Son of King Henry III of England
Great x 3 Grandmother: Joan of Acre Countess Gloucester and Hertford Daughter of King Edward "Longshanks" I of England
Great x 4 Grandmother: Eleanor of Castile Queen Consort England 2 x Great Grand Daughter of King Henry "Curtmantle" II of England
Father: Edmund Stafford 5th Earl Stafford 3 x Great Grand Son of King Edward "Longshanks" I of England
Great x 4 Grandfather: William Beauchamp
Great x 3 Grandfather: William Beauchamp 9th Earl Warwick
Great x 4 Grandmother: Isabel Maudit
Great x 2 Grandfather: Guy Beauchamp 10th Earl Warwick
Great x 1 Grandfather: Thomas Beauchamp 11th Earl Warwick 6 x Great Grand Son of King Henry I "Beauclerc" England
Great x 4 Grandfather: Roger Tosny
3 x Great Grand Son of King Henry I "Beauclerc" England
Great x 3 Grandfather: Ralph Tosny 4 x Great Grand Son of King Henry I "Beauclerc" England
Great x 4 Grandmother: Alice Bohun
Great x 2 Grandmother: Alice Tosny Countess Warwick 1284-1325 5 x Great Grand Daughter of King Henry I "Beauclerc" England
GrandMother: Philippa Beauchamp Countess Stafford 1334- 5 x Great Grand Daughter of King John "Lackland" of England
Great x 4 Grandfather: Roger Mortimer 1st Baron Mortimer of Wigmore Great Grand Son of King John "Lackland" of England
Great x 3 Grandfather: Edmund Mortimer 2nd Baron Mortimer of Wigmore 2 x Great Grand Son of King John "Lackland" of England
Great x 4 Grandmother: Maud de Braose
Great x 2 Grandfather: Roger Mortimer 1st Earl March 3 x Great Grand Son of King John "Lackland" of England
Great x 4 Grandfather: William Fiennes
Great x 3 Grandmother: Margaret Fiennes 4 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Blanche Beaumont
3 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 1 Grandmother: Katherine Mortimer Countess Warwick 1314-1369 4 x Great Grand Daughter of King John "Lackland" of England
Great x 4 Grandfather: Geoffrey Geneville 1st Baron Geneville
Great x 3 Grandfather: Piers Geneville
Great x 4 Grandmother: Maud Lacy Baroness Geneville
Great x 2 Grandmother: Joan Geneville Baroness Mortimer 2nd Baroness Geneville 7 x Great Grand Daughter of King Henry I "Beauclerc" England
Great x 4 Grandfather: Hugh Lusignan XII Count Lusignan VII Count La Marche III Count Angoulême 1235-1270
5 x Great Grand Son of King Henry I "Beauclerc" England
Great x 3 Grandmother: Jeanne Lusignan 6 x Great Grand Daughter of King Henry I "Beauclerc" England
Anne Stafford Duchess Exeter -1432 Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: King Henry III of England Son of King John "Lackland" of England
Great x 3 Grandfather: King Edward "Longshanks" I of England Son of King Henry III of England
Great x 4 Grandmother: Eleanor of Provence Queen Consort England
Great x 2 Grandfather: King Edward II of England Son of King Edward "Longshanks" I of England
Great x 4 Grandfather: Ferdinand III King Castile III King Leon
Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandmother: Eleanor of Castile Queen Consort England 2 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 1 Grandfather: King Edward III of England Son of King Edward II of England
Great x 4 Grandfather: Philip "Bold" III King France
2 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandfather: Philip "The Fair" IV King France 3 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Isabella Barcelona Queen Consort France 1248-1271
Great x 2 Grandmother: Isabella of France Queen Consort England 4 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Henry I King Navarre 1244-1274
4 x Great Grand Son of King William "Conqueror" I of England
Great x 3 Grandmother: Joan Blois I Queen Navarre 1273-1305 3 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Blanche Capet Queen Navarre 1248-1302 2 x Great Grand Daughter of King Henry "Curtmantle" II of England
GrandFather: Thomas of Woodstock 1st Duke of Gloucester Son of King Edward III of England
Great x 4 Grandfather: John Hainault I Count Hainault 1218-1257 4 x Great Grand Son of King William "Conqueror" I of England
Great x 3 Grandfather: John Hainault II Count Hainault II Count Holland 1247-1304 5 x Great Grand Son of King William "Conqueror" I of England
Great x 4 Grandmother: Adelaide Gerulfing Countess Hainault 1230-1284
4 x Great Grand Daughter of King William "Conqueror" I of England
Great x 2 Grandfather: William Hainault I Count Hainault III Count Avesnes III Count Holland II Count Zeeland 6 x Great Grand Son of King William "Conqueror" I of England
Great x 4 Grandfather: Henry "Great" Luxemburg V Count Luxemburg III Count Namur 1216-1281
Great x 3 Grandmother: Philippa Luxemburg Countess Hainault and Holland 1252-1311 5 x Great Grand Daughter of King William "Conqueror" I of England
Great x 4 Grandmother: Margaret of Bar Countess Luxemburg and Namur 1220-1275 4 x Great Grand Daughter of King William "Conqueror" I of England
Great x 1 Grandmother: Philippa of Hainault Queen Consort England 5 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Philip "Bold" III King France 2 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandfather: Charles Valois I Count Valois 3 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Isabella Barcelona Queen Consort France 1248-1271
Great x 2 Grandmother: Joan Valois Countess Zeeland Holland Avesnes and Hainault 4 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Charles II King Naples 1254-1309 2 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandmother: Margaret Capet Countess Valois 1273-1299 3 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Mary of Hungary Queen Consort Naples
Mother: Anne of Gloucester Plantagenet Countess Eu and Stafford Grand Daughter of King Edward III of England
Great x 4 Grandfather: Humphrey Bohun 3rd Earl Hereford 2nd Earl Essex
Great x 3 Grandfather: Humphrey Bohun 4th Earl Hereford 3rd Earl Essex
Great x 4 Grandmother: Maud Fiennes Countess Essex and Hereford 1254-1298
Great x 2 Grandfather: William Bohun 1st Earl of Northampton Grand Son of King Edward "Longshanks" I of England
Great x 4 Grandfather: King Edward "Longshanks" I of England Son of King Henry III of England
Great x 3 Grandmother: Princess Elizabeth of Rhuddlan Countess Essex, Hereford and Holland 1282-1316 Daughter of King Edward "Longshanks" I of England
Great x 4 Grandmother: Eleanor of Castile Queen Consort England 2 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 1 Grandfather: Humphrey Bohun 7th Earl Hereford 6th Earl Essex 2nd Earl of Northampton Great Grand Son of King Edward "Longshanks" I of England
Great x 4 Grandfather: Gunselin Badlesmere
Great x 3 Grandfather: Bartholomew Badlesmere 1st Baron Badlesmere
Great x 4 Grandmother: Joan Fitzbernard
Great x 2 Grandmother: Elizabeth Badlesmere Countess Northampton 4 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Thomas de Clare 4 x Great Grand Son of King Henry I "Beauclerc" England
Great x 3 Grandmother: Margaret Clare Baroness Badlesmere 3 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Juliana Fitzgerald
2 x Great Grand Daughter of King Henry "Curtmantle" II of England
GrandMother: Eleanor Bohun Duchess Gloucester 2 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 4 Grandfather: Richard Fitzalan 8th Earl Arundel
3 x Great Grand Son of King John "Lackland" of England
Great x 3 Grandfather: Edmund Fitzalan 9th Earl Arundel 4 x Great Grand Son of King John "Lackland" of England
Great x 2 Grandfather: Richard Fitzalan 10th Earl Arundel 8th Earl Surrey 5 x Great Grand Son of King John "Lackland" of England
Great x 4 Grandfather: William Warenne
Great x 3 Grandmother: Alice Warenne Countess Arundel
Great x 4 Grandmother: Joan Vere
Great x 1 Grandmother: Joan Fitzalan Countess Essex, Hereford and Northampton 2 x Great Grand Daughter of King Henry III of England
Great x 4 Grandfather: Edmund "Crouchback" Plantagenet 1st Earl of Leicester 1st Earl Lancaster Son of King Henry III of England
Great x 3 Grandfather: Henry Plantagenet 3rd Earl of Leicester 3rd Earl Lancaster Grand Son of King Henry III of England
Great x 4 Grandmother: Blanche Capet Queen Navarre 1248-1302 2 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 2 Grandmother: Eleanor Plantagenet Countess Arundel and Surrey
Great Grand Daughter of King Henry III of England
Great x 4 Grandfather: Patrick Chaworth
Great x 3 Grandmother: Maud Chaworth
Great x 4 Grandmother: Isabella Beauchamp Baroness Monthermer
