Biography of William Bourchier 1st Count Eu 1374-1420
Paternal Family Tree: Bourchier
In 1374 William Bourchier 1st Count Eu was born to William Bourchier and Eleanor Louvaine (age 28).
In 1375 [his father] William Bourchier died.
Around 1390 Thomas Stafford 3rd Earl Stafford (age 22) and [his future wife] 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 and Philippa Beauchamp Countess Stafford (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 05 Oct 1397 [his mother] Eleanor Louvaine (age 52) died.
On 28 Jun 1398 Edmund Stafford 5th Earl Stafford (age 20) and [his future wife] 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 Thomas Stafford 3rd Earl Stafford 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 and Philippa Beauchamp Countess Stafford (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.
In 1404 [his son] Henry Bourchier 2nd Count Eu 1st Earl Essex was born to William Bourchier 1st Count Eu (age 30) and [his future wife] Anne of Gloucester Plantagenet Countess Eu and Stafford (age 21). He a great grandson of King Edward III of England.
In 1405 William Bourchier 1st Count Eu (age 31) and 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.
On 25 Oct 1415 [his son] William Bourchier Baron Fitzwarin was born to William Bourchier 1st Count Eu (age 41) and [his wife] Anne of Gloucester Plantagenet Countess Eu and Stafford (age 32). He a great grandson of King Edward III of England.
On 25 Oct 1415 King Henry V of England (age 29) defeated the French army at the Battle of Agincourt. King Henry V of England (age 29) commanded the Main Battle. Thomas Camoys 1st Baron Camoys (age 64) commanded the Rearguard. 
Richard de Vere 11th Earl of Oxford (age 30) commanded. Humphrey Lancaster 1st Duke Gloucester (age 25) was wounded, and was protected by his brother King Henry V of England (age 29).
Edward York 2nd Duke of York 1st Duke Albemarle (age 42), commander of the Vanguard, was killed; the most senior English casualty. Duke Albemarle aka Aumale, Earl of Rutland and Earl Cork extinct. Richard Plantagenet 3rd Duke York (age 4) inherited his estates including Conisbrough Castle [Map].
John Fortescue (age 35), Dafydd Gam Brecon (age 35) and Edward Burnell (age 44) and Roger Vaughan of Bredwardine (age 38) were killed.
Michael de la Pole 3rd Earl Suffolk (age 21) was killed. His brother William "Jackanapes" de la Pole 1st Duke of Suffolk (age 19) succeeded 4th Earl Suffolk.
The English included: Louis Robbessart (age 25), Richard Beauchamp 13th Earl Warwick (age 33), William Botreaux 3rd Baron Botreaux (age 26), William Bourchier 1st Count Eu (age 41), John Cornwall 1st Baron Fanhope 1st Baron Milbroke (age 51), Edward Courtenay (age 30), Ralph Cromwell 3rd Baron Cromwell (age 12), Thomas Dutton (age 19), Edmund Ferrers 6th Baron Ferrers of Chartley (age 29), Roger Fiennes (age 31), Henry Fitzhugh 3rd Baron Fitzhugh (age 57), John Grey (age 28), John Grey 1st Earl Tankerville (age 31), William Harrington (age 42) as the King's Standard Bearer, Walter Hungerford 1st Baron Hungerford (age 37), Piers Legh (age 26) (wounded), Alfred Longford, Thomas Montagu 1st Count Perche 4th Earl Salisbury (age 27), Thomas Morley 6th Baron Marshal 5th Baron Morley (age 22), John Rodney, Richard Scrope 3rd Baron Scrope of Bolton (age 22), Robert Strelley (age 18), James Tuchet 5th Baron Audley, 2nd Baron Tuchet (age 17), Robert Umfraville (age 52), Thomas West 2nd Baron West (age 35), Robert Willoughby 6th Baron Willoughby (age 30). Thomas Erpingham (age 60) commanded the archers. Thomas Rempston (age 26) was present. Thomas Strickland (age 48) carried the Banner of St George.
Thomas Tunstall (age 57) was killed.
The Welsh included: William ap Thomas "Blue Knight of Gwent" Herbert (age 35), Walter Sais (age 95), Roger Vaughan (age 70) and his son Roger Vaughan (age 5). Owen Tudor (age 15) is believed to have been present as a squire.
The French army suffered significant casualties. Charles Albret (age 46), Philip Valois II Count Nevers (age 26), John of Bar (age 35), Jacques Chatillon (age 48), David Rambures (age 51) and his three sons: Jean Rambures, Hugues Rambures, Philippe Rambures, Waleran Luxemburg (age 60) and Hector de Chartres were killed.
Charles Valois Duke Orléans (age 20) was captured by Richard Waller (age 20) for which he was knighted on the battlefield by King Henry V of England (age 29).
John Bourbon I Duke Bourbon (age 34) and Charles Artois Count Eu (age 21) were captured.
Robert of Bar Count Soissons Count Marle (age 25) was killed. His daughter Jeanne of Bar Countess Soissons succeeded Countess Soissons 1367.
Edward of Bar III Duke of Bar (age 38) was killed. His brother Cardinal Louis of Bar (age 38) succeeded I Duke Bar.
John Valois I Duke Alençon was killed. His son John Valois II Duke Alençon (age 6) succeeded II Duke Alençon.
Frederick Metz I Count Vaudémont (age 47) was killed. His son Antoine Count of Vaudémont (age 15) succeeded Count Vaudémont.
Anthony Valois Duke Brabant (age 31) was killed. His son John Valois IV Duke Brabant (age 12) succeeded IV Duke Brabant. Jacqueline Wittelsbach Duchess Brabant and Gloucester (age 14) by marriage Duchess Brabant.
Jean II Le Maingre "Boucicaut" (age 49) was captured.
Georges de La Trémoille (age 33) was captured.
Around 1416 [his son] John Bourchier 1st Baron Berners was born to William Bourchier 1st Count Eu (age 42) and [his wife] Anne of Gloucester Plantagenet Countess Eu and Stafford (age 33). He a great grandson of King Edward III of England.
Around 1417 [his daughter] Eleanor Bourchier Duchess Norfolk was born to William Bourchier 1st Count Eu (age 43) and [his wife] Anne of Gloucester Plantagenet Countess Eu and Stafford (age 34). She a great granddaughter of King Edward III of England.
Around 1418 [his son] Cardinal Thomas Bourchier was born to William Bourchier 1st Count Eu (age 44) and [his wife] Anne of Gloucester Plantagenet Countess Eu and Stafford (age 35). He a great grandson of King Edward III of England.
In 1419 William Bourchier 1st Count Eu (age 45) was created 1st Count Eu. [his wife] Anne of Gloucester Plantagenet Countess Eu and Stafford (age 36) by marriage Countess Eu.
In 1419 William Bourchier 1st Count Eu (age 45) was appointed Captain Dieppe.
On 28 May 1420 William Bourchier 1st Count Eu (age 46) died at Troyes, France [Map]. He was buried at Llanthony Secunda Priory, Gloucestershire [Map]. His son [his son] Henry Bourchier 2nd Count Eu 1st Earl Essex (age 16) succeeded 2nd Count Eu.
In 1438 [his former wife] Anne of Gloucester Plantagenet Countess Eu and Stafford (age 55) died. She was buried at Llanthony Secunda Priory, Gloucestershire [Map].
[his father] William Bourchier and [his mother] Eleanor Louvaine were married.
Great x 1 Grandfather: John Bourchier
GrandFather: Robert Bourchier 1st Baron Bourchier
Great x 2 Grandfather: Walter of Colchester
Great x 1 Grandmother: Helen of Colchester
Father: William Bourchier
GrandMother: Margaret Prayers Baroness Bourchier
William Bourchier 1st Count Eu
GrandFather: John Louvain
Mother: Eleanor Louvaine