William IX, Duke of Aquitaine ¹

William married Philippa Countess of Toulouse and Duchess of Aquitaine, daughter of William IV, Count of Toulouse and Emma of Mortain. (Philippa Countess of Toulouse and Duchess of Aquitaine was born about 1073 and died on 28 Nov 1118 in Abbey of Fontevrault, Maine-et-Loire, Pays de la Loire, France.)

William next married Ermengarde of Anjou, Duchess of Aquitaine and Brittany, daughter of Fulk "The Rude" IV, Count of Anjou deGatinais and Hildegarde of Beaugency. (Ermengarde of Anjou, Duchess of Aquitaine and Brittany was born in 1068 in Angers, Maine-et-Loire, Pays de la Loire, France and died on 1 Jun 1146 in Jerusalem, Israel.)