John de Beaufort Earl of Somerset 
John de Beaufort was born in 1373 in Pottersgate, England.1 John de Beaufort's father was John Plantagenet and his mother was Katherine de Roet. His paternal grandparents were Edward III Plantagenet and Philippe de Hainault; his maternal grandparents were Payne de Roet and Unknown. He had two brothers and a sister, named Henry, Thomas and Joan. He had four half-brothers and five half-sisters, named John, Edward, Henry IV, John, Philippa, Isabel, Elizabeth, Katherine de Lancaster and Blanche. He died in London, England.1 General Notes
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There were four children of John of Gaunt, Duke of Lancaster, by his mistress, Catherine (Roet) Swynford, whom Gaunt later married (on 13 January 1396) as his third wife, at which time their four (grown) children were legitimized, taking the surname Beaufort. After John of Gaunt's death, however, the four Beauforts were barred from succession to the English throne by their half-brother King
Henry IV. Nevertheless, John Beaufort's (the eldest of the four children) great-grandson Henry (VII) Tudor was able to win the throne in 1485 partly by virtue of his descent, through John Beaufort from the Lancastrian Plantagenets.
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Ancestor Pedigree Chart
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*There are earlier generations for the ancestor(s) indicated. See their page(s) for details (click name)
- b.01 Oct 1207 in Winchester Castle, Hampshire, England d.16 Nov 1272 in Bury St. Edmunds, Suffolk, England
- b.17 Jun 1239 in Westminster Palace, London, Middlesex, England d.07 Jul 1307 in Burgh-on-the-Sands, near Carlisle, Cumberland, England
- b.1217 in Aix-en-Provence, France d.24 Jun 1291 in Amesbury, Wiltshire, England
- b.25 Apr 1284 in Caernarvon Castle, Caernarvonshire, Wales d.21 Sep 1327 in Berkeley Castle, Gloucestershire, England
- b.05 Aug 1201 in Castile, Spain d.30 May 1252 in Seville, Spain
- b.~ 1241 in of Burgos, Castile, Spain d.29 Nov 1290 in Herdeby (near Grantham), Lincolnshire, England
- b.1216 in Abbeville, Somme, France d.15 MAR 1278/79 in Abbeville, France
- b.13 Nov 1312 in Windsor Castle, Berkshire, England d.21 Jun 1377 in Sheen Palace, Richmond, Surrey, England
- b.01 May 1245 in Poissy, Yvelines, France d.05 Oct 1285 in Perpignan, Pyrenees-Orienta, France
- b.1268 in Fontainebleau, Seine-et-Marne, France d.29 Nov 1314 in Fontainebleau, Seine-et-Marne, France
- b.BET. 1243 - 1247 in Aragón, Spain or Montpellier, Herault, France d.28 JAN 1270/71 in Cosenza, Calabria, Italy
- b.1292 in France d.22 Aug 1358 in Hertford Castle, Hertfordshsire, England
- b.~ 1239 in Troyes, Aube, France d.1285 in Pamplona, Navarre, France
- b.JAN 1271/72 in Bar-Sur-Seine, Aube, France d.02 Apr 1305 in Château de Vincennes Paris, Val-de-Marne, France
- b.~ 1248 in Arras, France d.02 May 1302 in Paris, Seine, France
- b.28 Mar 1340 in St. Bavon's Abbey, Ghent, Flanders, Netherlands d.3 FEB 1398/99 in Leicester Castle, Leicestershire, England
- b.1218 in Etroeungt, Nord, France d.24 Dec 1257 in Valenciennes, Nord, France
- b.BET. 1247 - 1251 in Brabant, Holland d.22 Aug 1304 in Valenciennes, Nord, France
- b.1225 in Netherlands d.1284 in Valenciennes, Nord, France
- b.1286 in Hainaut, Belgium d.07 Jun 1337 in Valenciennes, Nord, France
- b.BET. 1217 - 1220 d.24 Dec 1281
- b.1252 in Luxemburg d.06 Apr 1311 in Valenciennes, Nord, France
- b.1220 d.23 Nov 1275
- b.24 Jun 1311 in Valenciennes, Hainault, Belgium d.14 Aug 1369 in Windsor Castle, Windsor, Berkshire, England
- b.01 May 1245 in Poissy, Yvelines, France d.05 Oct 1285 in Perpignan, Pyrenees-Orienta, France
- b.12 MAR 1269/70 in Fontainebleau, France d.16 Dec 1325 in Nogent-le-Roy
- b.BET. 1243 - 1247 in Aragón, Spain or Montpellier, Herault, France d.28 JAN 1270/71 in Cosenza, Calabria, Italy
- b.BET. 1294 - 1295 in Longpont, Aisen, France d.7 MAR 1341/42 in Fontenelle, Yonne, France
- b.1254 in of Naples, Italy d.05 May 1309 in Casanuova, Italy
- b.BET. 1273 - 1274 in Naples, Sicily d.31 Dec 1299
- b.BET. 1257 - 1258 in Hungary d.25 Mar 1323
- b.1373 in Pottersgate, England d.16 MAR 1409/10 in London, England
- b.1310 in Hainault, Belgium
- b.1350 in Picardy, Hainault, Belgium d.10 May 1403 in Lincoln, Lincolnshire, England
- b.~ 1315 in Picardy, Somme, France
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Details of John de Beaufort's family with Margaret de Holand
1 11615-2.ftw
Further sources/citations:
Wars of the Roses @ Houses of Lancaster, Beaufort & Tudor Genealogy Table, Ancestral Roots of Certain American Colonists Who Came to America bef 1760 @ line 1 pp 1-4, University of Hull Royal Database (England), Magna Charta Sureties, 1215 @ line 91 p 100, large-G675.FTW, Wars of the Roses @ Houses of Lancaster, Beaufort & Tudor Genealogy Table
Further sources/citations:
Wars of the Roses @ Houses of Lancaster, Beaufort & Tudor Genealogy Table, Ancestral Roots of Certain American Colonists Who Came to America bef 1760 @ line 1 pp 1-4, University of Hull Royal Database (England), Magna Charta Sureties, 1215 @ line 91 p 100, large-G675.FTW, Wars of the Roses @ Houses of Lancaster, Beaufort & Tudor Genealogy Table
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