Biography
Henry Plantagenet of Grosmont, Duke of Lancaster, Earl of Leicester, Earl of Derby, was born circa 1310 in Grosmont Castle, Monmouthshire, Wales, United Kingdom to Henry Plantagenet, 3rd Earl of Lancaster (1281-1345) and Matilda de Chaworth (1282-1322) and died 24 March 1361 Leicester Castle, Leicester, Leicestershire, England, United Kingdom of plague. He married Isabella de Beaumont (c1320-1361) 1334 JL . William I of England (1027-1087), Henry II of England (1133-1189), Alfred the Great (849-899)/s, Charlemagne (747-814)/s, Henry II of England (1133-1189)/s, Hugh Capet (c940-996)/s, William I of England (1027-1087)/s, Rollo of Normandy (860-932)/s.
Children
| Offspring of Henry of Grosmont, 1st Duke of Lancaster and Isabella de Beaumont (c1320-1361) | |||
| Name | Birth | Death | Joined with |
| Maud of Lancaster (1339-1362) | 4 April 1339 | 10 April 1362 | Ralph Stafford Ralph Stafford William von Wittelsbach (1330-1389) |
| Blanche of Lancaster (1345-1369) | 25 March 1345 | 12 September 1369 Bolingbroke Castle | John of Gaunt, 1st Duke of Lancaster (1340-1399) |
Footnotes (including sources)
| ‡ General |
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