| 1. | William IV of Aquitaine, Duke of Aquitaine, Count of Poitou from 963 to his retirement in 990 was born in 937; died on 3 Feb 994. Family/Spouse: Unknown. [Group Sheet] [Family Chart]
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| 2. | William V (William the Great) of Aquitaine, Duke of Aquitaine William married Agnes of Burgundy, Duchess of Aquitaine in 1019. Agnes died on 10 Nov 1068. [Group Sheet] [Family Chart]
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| 3. | William the Great (V) of Aquitaine Family/Spouse: Unknown. [Group Sheet] [Family Chart]
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| 4. | William VIII of Aquitaine, duke of Gascony (1052–1086), and then duke of Aquitaine and count of Poitiers (as William VI) between 1058 and 1086 Family/Spouse: Hildegarde of Burgundy. [Group Sheet] [Family Chart]
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