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 in Leicester Castle, Leicester, Leicestershire, England, United Kingdom of plague. He married Isabella de Beaumont (c1320-1361) circa 1334 JL . Notable ancestors include Henry II of England (1133-1189), William I of England (1027-1087), Charlemagne (747-814), Hugh Capet (c940-996), Rurik (c832-879), Alfred the Great (849-899). Ancestors are from the United Kingdom, France, Germany, Russia, Ukraine, Belgium, the Netherlands, Italy, Spain, Turkey, the Byzantine Empire.


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
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)

Common ancestors of Henry of Grosmont, 1st Duke of Lancaster (c1310-1361) and Isabella de Beaumont (c1320-1361)

  1. Alfonso VIII, King of Castile (1155-1214)
  2. Eleanor of England (1162-1214)

Footnotes (including sources)

‡ General

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