Biography of John Courtenay 15th Earl Devon 1435-1471

Paternal Family Tree: Courtenay

Maternal Family Tree: Aoife NI Diarmait Macmurrough Countess Pembroke and Buckingham 1145-1188

1460 Battle of Wakefield

1469 Battle of Edgecote Moor

1471 Battle of Barnet

1471 Battle of Tewkesbury

Around 1420 [his father] Thomas Courtenay 13th Earl Devon (age 6) and [his mother] Margaret Beaufort Countess Devon (age 11) were married. She the daughter of John Beaufort 1st Marquess Somerset and Dorset and Margaret Holland Duchess Clarence (age 35). He the son of Hugh Courtenay 12th Earl Devon (age 31) and Anne Talbot Countess Devon (age 27). They were third cousins. He a great x 4 grandson of King Edward "Longshanks" I of England. She a great granddaughter of King Edward III of England.

On 16 Jun 1422 [his grandfather] Hugh Courtenay 12th Earl Devon (age 33) died. His son [his father] Thomas Courtenay 13th Earl Devon (age 8) succeeded 13th Earl Devon, 8th Baron Okehampton, 6th Baron Courtenay. [his mother] Margaret Beaufort Countess Devon (age 13) by marriage Countess Devon.

In 1435 John Courtenay 15th Earl Devon was born to Thomas Courtenay 13th Earl Devon (age 21) and Margaret Beaufort Countess Devon (age 26) at Okehampton, Devon. He a great x 2 grandson of King Edward III of England.

In 1449 [his mother] Margaret Beaufort Countess Devon (age 40) died.

In 1458 [his father] Thomas Courtenay 13th Earl Devon (age 44) died at Yattendon Castle [Map]. He was buried at Courtenay Chantry Chapel Exeter Cathedral. His son [his brother] Thomas Courtenay 14th Earl Devon (age 26) succeeded 14th Earl Devon, 9th Baron Okehampton, 7th Baron Courtenay.

On 30 Dec 1460 the Lancastrian army took their revenge for the defeats of the First Battle of St Albans and the Battle of Northampton during the at Sandal Castle [Map]. The Lancastrian army was commanded by Henry Holland 3rd Duke Exeter (age 30), Henry Beaufort 2nd or 3rd Duke Somerset (age 24) and Henry Percy 3rd Earl of Northumberland (age 39), and included John Courtenay 15th Earl Devon (age 25) and William Gascoigne XIII (age 30), both knighted, and James Butler 1st Earl Wiltshire 5th Earl Ormonde (age 40), John "Butcher" Clifford 9th Baron Clifford (age 25), John Neville 1st Baron Neville of Raby (age 50), Thomas Ros 9th Baron Ros Helmsley (age 33), Henry Roos and Thomas St Leger (age 20).

The Yorkist army was heavily defeated.

Richard Plantagenet 3rd Duke York (age 49) was killed. His son King Edward IV of England (age 18) succeeded 4th Duke York, 7th Richard Plantagenet 3rd Duke York (age 49), 9th Earl Ulster, 3rd Earl Cambridge.

Thomas Neville (age 30), and Edward Bourchier were killed.

Father and son Thomas Harrington (age 60) and John Harrington (age 36) were killed, the former dying of his wounds the day after.

William Bonville 6th Baron Harington (age 18) was killed. His daughter Cecily Bonville Marchioness Dorset succeeded 7th Baroness Harington.

Thomas Parr (age 53) fought in the Yorkist army.

Following the battle Richard Neville Earl Salisbury (age 60) was beheaded by Thomas "Bastard of Exeter" Holland. William Bonville (age 40) was executed.

Edmund York 1st Earl of Rutland (age 17) was killed on Wakefield Bridge [Map] by John "Butcher" Clifford (age 25) by which he gained his sobriquet "Butcher". Earl of Rutland extinct.

Before 02 Feb 1461 John Courtenay 15th Earl Devon (age 26) and Laura Bourchier Countess Devon (age 21) were married. She the daughter of Henry Bourchier 2nd Count Eu 1st Earl Essex (age 57) and Isabel York Countess Eu and Essex (age 52). He the son of Thomas Courtenay 13th Earl Devon and Margaret Beaufort Countess Devon. They were third cousins. He a great x 2 grandson of King Edward III of England. She a great x 2 granddaughter of King Edward III of England.

In 02 Feb 1461 John Courtenay 15th Earl Devon (age 26) was attainted.

In or before 1462 [his brother-in-law] Henry Bourchier and Elizabeth Scales Countess Rivers were married. He the son of Henry Bourchier 2nd Count Eu 1st Earl Essex (age 57) and Isabel York Countess Eu and Essex (age 52). He a great x 2 grandson of King Edward III of England. She a great x 5 granddaughter of King Edward "Longshanks" I of England.

In 1462 [his brother-in-law] Henry Bourchier died.

Before 02 May 1462 [his brother-in-law] John Bourchier 6th Baron Ferrers of Groby (age 24) and Elizabeth Ferrers 6th Baroness Ferrers Groby (age 43) were married. He by marriage Baron Ferrers of Groby. He the son of Henry Bourchier 2nd Count Eu 1st Earl Essex (age 58) and Isabel York Countess Eu and Essex (age 53). They were third cousin once removed. 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.

On or before 15 Aug 1467 [his brother-in-law] William Bourchier Viscount Bourchier (age 37) and Anne Woodville Viscountess Bourchier (age 29) were married. An example of a Woodville marriage to a wealthy family which antagonised the nobilty - see Woodville Marriages. William Bourchier Viscount Bourchier (age 37) was heir to his father [his father-in-law] Henry Bourchier 2nd Count Eu 1st Earl Essex (age 63). She the daughter of Richard Woodville 1st Earl Rivers (age 62) and Jacquetta of Luxemburg Duchess Bedford (age 52). He the son of Henry Bourchier 2nd Count Eu 1st Earl Essex (age 63) and Isabel York Countess Eu and Essex (age 58). He a great x 2 grandson of King Edward III of England.

Battle of Edgecote Moor

On 26 Jul 1469 the Yorkist army suffered a defeat against a Lancastrian army led by Robin of Redesdale at the Battle of Edgecote Moor. The Yorkist army was commanded by John Courtenay 15th Earl Devon (age 34) and William "Black William" Herbert 1st Earl Pembroke (age 46).

Thomas Vaughan (age 69), John Wogan, Henry Neville (age 32), John Conyers (age 36), and brothers John Dudley (age 42) and Oliver Dudley were killed.

Humphrey Stafford 1st Earl Devon (age 30), John Conyers (age 58) and William Parr (age 35) fought.

Richard Woodville 1st Earl Rivers (age 64) and John Woodville (age 24) were captured.

In 1471 John Courtenay 15th Earl Devon (age 36) was restored 15th Earl Devon, 8th Baron Courtenay, 10th Baron Okehampton. [his wife] Laura Bourchier Countess Devon (age 31) by marriage Countess Devon.

Battle of Barnet

On 14 Apr 1471 Edward IV (age 28) commanded at the Battle of Barnet supported by his brothers George (age 21) and Richard (age 18), John Babington (age 48), Wiliam Hastings (age 40) (commanded), Ralph Hastings, William Norreys (age 30), William Parr (age 37), John Savage (age 49), [his brother-in-law] William Bourchier Viscount Bourchier (age 41), Thomas St Leger (age 31), John Tuchet 6th Baron Audley, 3rd Baron Tuchet (age 45), Thomas Burgh 1st Baron Burgh (age 40), John Scott Comptroller (age 48) and Thomas Strickland.

The Yorkists William Blount (age 29), [his brother-in-law] Humphrey Bourchier (age 40), Humphrey Bourchier (age 36), Henry Stafford (age 46) and Thomas Parr were killed.

The Lancastrians ...

Warwick the Kingmaker (age 42) was killed. Earl Salisbury forfeit on the assumption he was attainted either before or after his death; the date of his attainder is unknown. If not attainted the Earldom may be in abeyance. Baron Montagu and Baron Montagu abeyant between his two daughters Isabel Neville Duchess Clarence (age 19) and Anne Neville Queen Consort England (age 14).

John Neville 1st Marquess Montagu (age 40) was killed. Marquess Montagu extinct. He was buried at Bisham Abbey [Map].

William Tyrrell was killed.

William Fiennes 2nd Baron Saye and Sele (age 43) was killed. His son Henry Fiennes 3rd Baron Saye and Sele (age 25) succeeded 3rd Baron Saye and Sele. Anne Harcourt Baroness Saye and Sele by marriage Baroness Saye and Sele.

Henry Holland 3rd Duke Exeter (age 40) commanded the left flank, was badly wounded and left for dead, Henry Stafford (age 46) and John Paston (age 27) were wounded, John de Vere 13th Earl of Oxford (age 28) commanded, and John Paston (age 29) and William Beaumont 2nd Viscount Beaumont (age 33) fought.

Robert Harleston (age 36) was killed.

Thomas Hen Salusbury (age 62) was killed.

Thomas Tresham (age 51) escaped but was subsequently captured and executed on 06 May 1471.

After 14 Apr 1471 John Courtenay 15th Earl Devon (age 36) was buried at Tewkesbury Abbey [Map].

Battle of Tewkesbury

On 04 May 1471 King Edward IV of England (age 29) was victorious at the Battle of Tewkesbury. His brother Richard (age 18), Richard Beauchamp 2nd Baron Beauchamp Powick (age 36), John Howard 1st Duke of Norfolk (age 46), George Neville 4th and 2nd Baron Bergavenny (age 31), John Savage (age 49), John Savage (age 27), Thomas St Leger (age 31), John Tuchet 6th Baron Audley, 3rd Baron Tuchet (age 45), Thomas Burgh 1st Baron Burgh (age 40) fought. William Brandon (age 46), George Browne (age 31), Ralph Hastings, Richard Hastings Baron Willoughby (age 38), James Tyrrell (age 16), Roger Kynaston of Myddle and Hordley (age 38) were knighted. William Hastings 1st Baron Hastings (age 40) commanded.

Margaret of Anjou (age 41) was captured. Her son Edward of Westinster Prince of Wales (age 17) was killed. He was the last of the Lancastrian line excluding the illegitmate Charles Somerset 1st Earl of Worcester (age 11) whose line continues to the present.

John Courtenay 15th Earl Devon (age 36) was killed and attainted. Earl Devon, Baron Courtenay forfeit. Some sources refer to these titles as being abeyant?

John Wenlock 1st Baron Wenlock (age 71) was killed. Baron Wenlock extinct.

John Delves (age 49), Humphrey Tuchet (age 37), John Beaufort (age 30), William Vaux of Harrowden (age 35) and Robert Whittingham (age 42) were killed.

Edmund Beaufort 3rd Duke Somerset (age 32) and Hugh Courtenay (age 44) were captured.

Henry Roos fought and escaped to Tewkesbury Abbey [Map] where he sought sanctuary. He was subsequently pardoned.

In 1484 [his former wife] Laura Bourchier Countess Devon (age 44) died.

Humphrey Bourchier and Joan Stanhope were married. He the son of Henry Bourchier 2nd Count Eu 1st Earl Essex and Isabel York Countess Eu and Essex. He a great x 2 grandson of King Edward III of England.

Thomas Bourchier and Isabella Barre were married. He the son of Henry Bourchier 2nd Count Eu 1st Earl Essex and Isabel York Countess Eu and Essex. He a great x 2 grandson of King Edward III of England.

John Courtenay 15th Earl Devon 1435-1471 appears on the following Descendants Family Trees:

King Edward III of England 1312-1377

John of Gaunt 1st Duke Lancaster 1340-1399

Eleanor Plantagenet Countess Arundel and Surrey 1318-1372

Richard Fitzalan 10th Earl Arundel 8th Earl Surrey 1306-1376

Thomas Holland 2nd Earl Kent 1350-1397

Katherine Roet Duchess Lancaster 1350-1403

Philippa of Hainault Queen Consort England 1314-1369

Royal Ancestors of John Courtenay 15th Earl Devon 1435-1471

Kings Wessex: Great x 12 Grand Son of King Edmund "Ironside" I of England

Kings Gwynedd: Great x 9 Grand Son of Owain "Great" King Gwynedd

Kings Seisyllwg: Great x 15 Grand Son of Hywel "Dda aka Good" King Seisyllwg King Deheubarth

Kings Powys: Great x 10 Grand Son of Maredudd ap Bleddyn King Powys

Kings England: Great x 2 Grand Son of King Edward III of England

Kings Scotland: Great x 10 Grand Son of Malcolm III King Scotland

Kings Franks: Great x 8 Grand Son of Louis VII King Franks

Kings France: Great x 4 Grand Son of Philip "The Fair" IV King France

Ancestors of John Courtenay 15th Earl Devon 1435-1471

Great x 4 Grandfather: Hugh Courtenay 9th Earl Devon 5 x Great Grand Son of King Henry I "Beauclerc" England

Great x 3 Grandfather: Hugh Courtenay 10th Earl Devon 6 x Great Grand Son of King Henry I "Beauclerc" England

Great x 4 Grandmother: Agnes St John Countess Devon

Great x 2 Grandfather: Edward Courtenay Great Grand Son of King Edward "Longshanks" I of England

Great x 3 Grandmother: Margaret Bohun Countess Devon Grand Daughter of King Edward "Longshanks" I of England

Great x 4 Grandmother: Princess Elizabeth of Rhuddlan Countess Essex, Hereford and Holland Daughter of King Edward "Longshanks" I of England

Great x 1 Grandfather: Edward "Blind Earl" Courtenay 11th Earl Devon 2 x Great Grand Son of King Edward "Longshanks" I of England

GrandFather: Hugh Courtenay 12th Earl Devon 3 x Great Grand Son of King Edward "Longshanks" I of England

Great x 1 Grandmother: Maud Camoys Countess Devon

Father: Thomas Courtenay 13th Earl Devon 4 x Great Grand Son of King Edward "Longshanks" I of England

Great x 4 Grandfather: Gilbert Talbot 1st Baron Talbot 6 x Great Grand Son of King Henry I "Beauclerc" England

Great x 3 Grandfather: Richard Talbot 2nd Baron Talbot 7 x Great Grand Son of King Henry I "Beauclerc" England

Great x 4 Grandmother: Anne Boteler Baroness Talbot

Great x 2 Grandfather: Gilbert Talbot 3rd Baron Talbot 8 x Great Grand Son of King Henry I "Beauclerc" England

Great x 4 Grandfather: John Comyn 3rd Lord Baddenoch 6 x Great Grand Son of King Henry I "Beauclerc" England

Great x 3 Grandmother: Elizabeth Comyn Baroness Talbot 7 x Great Grand Daughter of King Henry I "Beauclerc" England

Great x 4 Grandmother: Joan Valence Lady Baddenoch

Great x 1 Grandfather: Richard Talbot 7th Baron Strange Blackmere 4th Baron Talbot 2 x Great Grand Son of King Edward "Longshanks" I of England

Great x 4 Grandfather: Edmund Butler 1st Earl Carrick

Great x 3 Grandfather: James Butler 1st Earl Ormonde

Great x 2 Grandmother: Petronella Butler Great Grand Daughter of King Edward "Longshanks" I of England

Great x 3 Grandmother: Eleanor Bohun Countess Ormonde Grand Daughter of King Edward "Longshanks" I of England

Great x 4 Grandmother: Princess Elizabeth of Rhuddlan Countess Essex, Hereford and Holland Daughter of King Edward "Longshanks" I of England

GrandMother: Anne Talbot Countess Devon 3 x Great Grand Daughter of King Edward "Longshanks" I of England

Great x 3 Grandfather: John Strange 2nd Baron Strange Blackmere 3 x Great Grand Son of King John "Lackland" of England

Great x 4 Grandmother: Eleanor Giffard Baroness Strange Blackmere 2 x Great Grand Daughter of King John "Lackland" of England

Great x 2 Grandfather: John Strange 4th Baron Strange Blackmere 4 x Great Grand Son of King John "Lackland" of England

Great x 3 Grandmother: Ankaret Boteler Baroness Strange Blackmere 4 x Great Grand Daughter of King Henry "Curtmantle" II of England

Great x 4 Grandmother: Ela Herdeburgh Baroness Wem and Oversley 3 x Great Grand Daughter of King Henry "Curtmantle" II of England

Great x 1 Grandmother: Ankaret Strange 7th Baroness Strange Blackmere, Baroness Talbot 5 x Great Grand Daughter of King John "Lackland" 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 4 Grandmother: Alice Saluzzo Countess Arundel 6 x Great Grand Daughter of King William "Conqueror" I of England

Great x 2 Grandmother: Mary Fitzalan Baroness Strange Blackmere 5 x Great Grand Daughter 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

John Courtenay 15th Earl Devon 2 x Great Grand Son of King Edward III of England

Great x 4 Grandfather: King Edward "Longshanks" I of England Son of King Henry III of England

Great x 3 Grandfather: King Edward II of England Son 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 2 Grandfather: King Edward III of England Son of King Edward II of England

Great x 4 Grandfather: Philip "The Fair" IV King France 3 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 3 Grandmother: Isabella of France Queen Consort England 4 x Great Grand Daughter of King Henry "Curtmantle" II of England

Great x 4 Grandmother: Joan Blois I Queen Navarre 3 x Great Grand Daughter of King Henry "Curtmantle" II of England

Great x 1 Grandfather: John of Gaunt 1st Duke Lancaster Son of King Edward III of England

Great x 4 Grandfather: John Hainault II Count Hainault II Count Holland 5 x Great Grand Son of King William "Conqueror" I of England

Great x 3 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 Grandmother: Philippa Luxemburg Countess Hainault and Holland 5 x Great Grand Daughter of King William "Conqueror" I of England

Great x 2 Grandmother: Philippa of Hainault Queen Consort England 5 x Great Grand Daughter of King Henry "Curtmantle" II of England

Great x 4 Grandfather: Charles Valois I Count Valois 3 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 3 Grandmother: Joan Valois Countess Zeeland Holland Avesnes and Hainault 4 x Great Grand Daughter of King Henry "Curtmantle" II of England

Great x 4 Grandmother: Margaret Capet Countess Valois 3 x Great Grand Daughter of King Henry "Curtmantle" II of England

GrandFather: John Beaufort 1st Marquess Somerset and Dorset Grand Son of King Edward III of England

Great x 2 Grandfather: Giles "Payne" Roet

Great x 1 Grandmother: Katherine Roet Duchess Lancaster

Mother: Margaret Beaufort Countess Devon Great Grand Daughter of King Edward III of England

Great x 4 Grandfather: Robert de Holand of Upholland

Great x 3 Grandfather: Robert Holland 1st Baron Holand

Great x 2 Grandfather: Thomas Holland 1st Earl Kent 4 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 4 Grandfather: Alan Zouche 1st Baron Zouche Ashby 2 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 3 Grandmother: Maud Zouche Baroness Holand 3 x Great Grand Daughter of King Henry "Curtmantle" II of England

Great x 4 Grandmother: Eleanor Segrave

Great x 1 Grandfather: Thomas Holland 2nd Earl Kent Great 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 Grandfather: Edmund of Woodstock 1st Earl Kent Son of King Edward "Longshanks" I of England

Great x 4 Grandmother: Margaret of France Queen Consort England 3 x Great Grand Daughter of King Henry "Curtmantle" II of England

Great x 2 Grandmother: Joan "Fair Maid of Kent" Princess Wales Grand Daughter of King Edward "Longshanks" I of England

Great x 4 Grandfather: John Wake 1st Baron Wake of Liddell 2 x Great Grand Son of King John "Lackland" of England

Great x 3 Grandmother: Margaret Wake Countess Kent 3 x Great Grand Daughter of King John "Lackland" of England

Great x 4 Grandmother: Joan Fiennes Baroness Wake Liddell 4 x Great Grand Daughter of King Henry "Curtmantle" II of England

GrandMother: Margaret Holland Duchess Clarence 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 4 Grandmother: Alice Saluzzo Countess Arundel 6 x Great Grand Daughter of King William "Conqueror" I 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: Alice Fitzalan Countess Kent 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 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