Background
She was the only daughter of Robert I, Duke of Burgundy with his second wife, Ermengarde of Anjou.
duke of Burgundy Duchess of Gascony
She was the only daughter of Robert I, Duke of Burgundy with his second wife, Ermengarde of Anjou.
William and Hildegarde had these children together:
William IX, Duke of Aquitaine
Agnes of Aquitaine, Queen of Aragon and Navarre
Beatrice?.