Edward III(13 Nov 1312 - 21 Jun 1377) Henry of Grosmont Duke of Lancaster(ca 1310 - 23 May 1361)
Philippa (of Hainault)(24 Jun 1311 - 15 Aug 1369) Isabel de Beaumont( - aft 1361)
John of Gaunt Duke of Lancaster Blanche of Lancaster
b. Mar 1340, St Bavon's Abbey, Ghent, Flanders
d. 3 Feb 1399, Leicester Castle
5th duke. KG 36: c.1361. King of Castile & Leon.
b. 25 Mar 1342
d. 12 Sep 1368, Bolingbroke Castle
Younger dau, co-heir & eventual sole heir.
Spouses: 1, 2, 3
Children
Elizabeth of Lancaster( - 24 Nov 1425)
Henry IV, of Bolingbroke (was Earl of Derby)(Apr 1366 - 20 Mar 1413)
Philippa of Lancaster( - 19 Jul 1415)