William Plantagenet de Warren

↓→ William Plantagenet de Warren B 1166 in , Surrey, England D 27 May 1240 in , Surrey, England	↓→ Hamelin the Handsome Plantagenet B 1130 in , Normandy, France D May 1202 in , Surrey, England M Apr 1164 in East Surrey, England	↓→ Geoffrey Plantagenet B 24 Aug 1113 in Anjou, France D Sep 1151 in Chateau, Eure-Et-Loire, France M	↓→ Fulk V d'Anjou B 1092 in Anjou, Isere, Rhone-Alpes, France D 10 Nov 1143 in Holy Land, Jerusalem, Israel M
			↓→ Ermengarde du Maine B 1096 in Maine, Charente, Poitou, France D 15 Jan 1125 in Maine, Charente, Poitou, France
		↓→ Adelaide d'Angers B D

	↓→ Isabel de Warren B 1137 in , Surrey, England D 13 Jul 1199 in Lewes, Sussex, England	↓→ William Iii de Warren B ABT 1110 in Vermandois, Normandy, France D 1148 M	↓→ William Ii de Warren B ABT 1081 in , Sussex, England D 11 May 1138 in , , England M 1109
			↓→ Isabel de Vermandois B 1081 in Vermandois, Normandy, France D 17 Feb 1130 in Meulan, D-Sens, France
		↓→ Adelia de Talvas B ABT 1110 in , , France D Oct 1174	↓→ William Iii Talvas de Ponthieu B D 1171 M
			↓→ Helie de Burgundy B 1080 D 28 Feb 1141