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) . William I of England (1027-1087), Henry II of England (1133-1189), Charlemagne (747-814), Hugh Capet (c940-996), Rollo of Normandy (860-932), Alfred the Great (849-899)/s, Charlemagne (747-814)/s, Hugh Capet (c940-996)/s, Rollo of Normandy (860-932)/s.
|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)|