Hildegarde of Burgundy ( – 1104) was Duchess consort of Gascony and Aquitaine by marriage to William VIII, Duke of Aquitaine.
Life Hildegarde was the daughter of Robert I, Duke of Burgundy with his second wife, Ermengarde of Anjou.
Marriage and issue Hildegarde married William VIII, Duke of Aquitaine. She was, by marriage, Duchess of Gascony and Aquitaine.
William and Hildegarde had: William IX, Duke of Aquitaine Agnes of Aquitaine, Queen of Aragon and Navarre, married Peter of Aragon Beatrice? married firstly to Alfonso VI of Leon and Castile and secondly to Elias I, Count of Maine
William's birth was a cause of great celebration at the Aquitanian court, but the Church at first considered him illegitimate because of his parents' consanguinity. This obliged his father to make a pilgrimage to Rome soon after his birth to seek papal approval of his marriage to Hildegarde.
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