Katherine de Lancaster

↓→ Katherine de Lancaster B 1372 D 1418	↓→ John of Gaunt Plantagenet B Mar 1340 in , Ghent, France D Feb 1399 in , Leicestershire, England M Sep 1371 in Roquefort	↓→ Edward III Plantagenet B 13 Nov 1312 in Windsor Castle, Middlesex, England D 21 Jun 1377 in Sheen Palace, , England M 24 Jan 1327 in York Minster, York, Yorkshire, England	↓→ Edward II Plantagenet B 25 Apr 1284 in Caernarvon Castle, Caernarvonshire, Wales D 21 Sep 1327 in Berkeley Castle, Gloucestershire, England M 25 Jan 1308 in Boulogne, , France
			↓→ Isabella B 1295 in Paris, Seine, France D 22 Aug 1358 in Hertford Castle, Herefordshire, England
		↓→ Philippa de Hainault B 24 Jun 1311 in , Valenciennes, France D 14 Aug 1369 in Windsor Castle, Middlesex, England	↓→ William Iii de Hainault B ABT 1286 in Valenciennes, Nord France D 1337 M
			↓→ Jeanne de Valois B 1294 D 1342
	↓→ Constance Perez de Castile B in , , Spain D 24 Mar 1394 in , Leicestershire, England	↓→ Pedro de Castile B 30 Aug 1334 D 23 Mar 1369 M	↓→ Alfonso Xi de Castile B 13 Aug 1311 D 27 Mar 1350 M
			↓→ Maria de Portugal B Feb 1313 in , , Portugal D
		↓→ Maria de Padilla B D