Alix de Thouars

↓→ Alix de Thouars B Sep 1201 D 21 Oct 1221	↓→ Guy de Thouars B D 13 Apr 1213 M



	↓→ Constance de Penthievre B 1161 D Sep 1201	↓→ Conan Iv de Penthievre B 1138 D 20 Feb 1171 M	↓→ Alan the Black de Penthievre B 1100 D 15 Sep 1146 M
			↓→ Bertha de Cornwall B D
		↓→ Margaret de Huntingdon B 1154 in Northumberland, Northumberland, England D 1201 in Richmond, North Riding, Yorkshire, England	↓→ Henry I B 1114 in , , Scotland D 12 Jun 1152 M 1139
			↓→ Ada de Warren B ABT 1120 in , Surrey, England D 1178