Ermengard of Anjou, b: 1018


			^{William_V of Aquitaine}^{b. 969 d.1029}

		^{William_VIII of Aquitaine}^{b.1026 Poitiers, France d.1086 Chizé, France}	^{Agnes of Burgundy}^{b.1000 d.1068}

	^{William_IX of Aquitaine}^{b.1071 Poitiers, Aquitaine, France d.1125}		^{Robert_I of France}^{b.1011 d.1074}

		^{Hildegard of Burgundy}^{b.1050 Marne, France d.1104 Lot-et-Garonne, France}	^{Ermengard of Anjou}^{b.1018 Anjou, France d.1075 Anjou, France}

^{William_X d' Aquitaine}^{b.1099 d.1137}

		^{William_IV of Toulouse}^{b.1040 d.1094}

	^{Philippa of Toulouse}^{b.1073 d.1118 Fontevrault, France}		^{Robert of Mortain}^{b.1031 Mortagne au Perche, France d.1090 Grestain, France}

		^{Emma of Mortain}^b.1085 d.	^{Matilda (Maud) of Montgomery}^{b.1042 d.1085}