Hildegarde DE BOURGOGNE Duchess of Gascony and Aquitaine

  General Notes:

Hildegarde of Burgundy (c. 1056\endash 1104) was a French noble, Duchess consort of Gascony and Aquitaine by marriage to William VIII, Duke of Aquitaine.

She was the only daughter of Robert I, Duke of Burgundy with his second wife, Ermengarde of Anjou. She was, and by marriage, Duchess of Gascony and Aquitaine.

-- https://en.wikipedia.org/wiki/Hildegarde_of_Burgundy

Hildegarde married Duke Guillaume VIII D'AQUITAINE comte de Poitiers, son of Guillaume V D'AQUITAINE comte de Poitiers and Agnès DE BOURGOGNE, in Sep 1069 in Gironde-sur-Dropt, Gironde, France. (Duke Guillaume VIII D'AQUITAINE comte de Poitiers was born on 22 Oct 1026 in Poitiers, Vienne, France and died on 25 Sep 1086 in Chizé, Deux-Sèvres, France.)