Desmond McAllister's Collaborated Genealogy


Earl Humphrey De Stafford [Parents] 1 was born in 1424. Humphrey married Margaret Beaufort on 22 May 1455.

Margaret Beaufort was born in 1437. She died in 1474. Margaret married Earl Humphrey De Stafford on 22 May 1455.


William Beaumont died. William married Joan De Stafford.

Joan De Stafford [Parents] died. Joan married William Beaumont.

Other marriages:
Knyvet, William


Sir William Knyvet died. William married Joan De Stafford.

Joan De Stafford [Parents] died. Joan married Sir William Knyvet.

Other marriages:
Beaumont, William


Edward "The Black Prince" Plantagenet Prince Of Wales [Parents] [scrapbook] was born on 15 Jun 1330 in Woodstock, Oxfordshire, England. He died on 8 Jun 1376 in London, England. He was buried in Westminster Abbey, London, England. Edward married Joan Plantagenet.

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Joan Plantagenet was born on 29 Sep 1328 in Woodstock, Oxfordshire, England. She died on 7 Aug 1385 in Wallingford Castle, Berkshire, England. She was buried in 1385 in Friars Minors, Stamford, Lincolnshire, England. Joan married Edward "The Black Prince" Plantagenet Prince Of Wales.

[Notes]

They had the following children.

  M i King of England Richard II Plantagenet [scrapbook] was born on 6 Jan 1367 in Bordeaux, Gascony, France. He died on 6 Jan 1399 in Pontefract Castle, Yorkshire, England from murdered. He was buried in Westminster Abbey, London, England.

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Enguerrand de Courcy Vii died. Enguerrand married Isabella Plantagenet on 27 Jul 1365 in Windsor Castle, England.

Isabella Plantagenet [Parents] was born on 16 Jun 1332. Isabella married Enguerrand de Courcy Vii on 27 Jul 1365 in Windsor Castle, England.


King of Castile and Leon John Plantagenet Duke of Lancaster [Parents] 1 was born in Mar 1339 in St. Bavon's Abbey, Ghent, Flanders, Belgium. He died on 3 Feb 1398 in Bishop of Ely's Palace, Holborn. He was buried on 15 Mar 1398 in Old St Paul's Cathedral, London. John married Duchess of Lancaster Blanche in 1359 in Reading Abbey, Berkshire, England.

Other marriages:
Queen of Castile and Leon, Constance
Roet, Catherine

Duchess of Lancaster Blanche [Parents] died in 1369 from the bubonic plague. Blanche married King of Castile and Leon John Plantagenet Duke of Lancaster in 1359 in Reading Abbey, Berkshire, England.

They had the following children.

  M i King Of England Henry Iv Plantagenet Duke of Hereford was born on 30 May 1366. He died on 20 Mar 1413 from leprosy and epilepsy.
  F ii Philippa Plantagenet died.
  F iii Elizabeth Plantagenet died.

King of Castile and Leon John Plantagenet Duke of Lancaster [Parents] 1 was born in Mar 1339 in St. Bavon's Abbey, Ghent, Flanders, Belgium. He died on 3 Feb 1398 in Bishop of Ely's Palace, Holborn. He was buried on 15 Mar 1398 in Old St Paul's Cathedral, London. John married Constance Queen of Castile and Leon in Sep 1371 in Roquefort, Guienne.

Other marriages:
, Blanche
Roet, Catherine

Constance Queen of Castile and Leon [Parents] 1 was born in 1354 in Castro Kerez. She died on 24 Mar 1394 in Leicester, Leiceistershire, England. Constance married King of Castile and Leon John Plantagenet Duke of Lancaster in Sep 1371 in Roquefort, Guienne.


King of Castile and Leon John Plantagenet Duke of Lancaster [Parents] 1 was born in Mar 1339 in St. Bavon's Abbey, Ghent, Flanders, Belgium. He died on 3 Feb 1398 in Bishop of Ely's Palace, Holborn. He was buried on 15 Mar 1398 in Old St Paul's Cathedral, London. John married Lady Catherine Roet in 1396.

Other marriages:
, Blanche
Queen of Castile and Leon, Constance

Lady Catherine Roet [Parents] 1 died. Catherine married King of Castile and Leon John Plantagenet Duke of Lancaster in 1396.

Other marriages:
de Swynford, Hugh

[Notes]

They had the following children.

  M i John de Beaufort Earl of Somerset and Marquis of Dorset King's Guard died.
  M ii Henry de Beaufort Cardinal Chancellor of England died.
  M iii Thomas Plantagenet Duke of Exeter King's Guard died.
  F iv Joan de Beaufort died.

John Hastings 1. John married Margaret Plantagenet on 19 May 1359.

Margaret Plantagenet [Parents] was born on 20 Jul 1346 in Berkshire, England. She died after 1 Oct 1361. Margaret married John Hastings on 19 May 1359.


Enguerrand Iii Aumale Count of Ponthieu died. Enguerrand married Countess of Adeliza Aumale of Normandy.

Countess of Adeliza Aumale of Normandy [Parents] 1 was born in 1029. She died in 1080/1085. Adeliza married Enguerrand Iii Aumale Count of Ponthieu.

Other marriages:
Count of Lens, Lambert Ii von Boulogne
Count of Champagne, Eudes (Odo)

They had the following children.

  F i Judith d'Aûmale of Normandy was born in 1054.

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