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Isabella Brienne de Beaumont was born circa 1320 to Henry Beaumont (c1255-1339) and Alice Comyn (bef1296-bef1349) and died 1361 of unspecified causes. She married Henry of Grosmont, 1st Duke of Lancaster (c1310-1361) .


Children


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



Footnotes (including sources)

‡ General
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