William IX of Aquitaine
Count of Poitou as William VII (1086 – 1127)
Duke of Aquitaine as William VIII (1086 – 1127)
Born (cOct 22, 1071) – Died (Feb 10, 1127)

Father – William VIII of Aquitaine
Mother – Agnes of Burgundy

This Duke William was the famous troubadour and Crusader figure

William was married (1094) to Philippa of Toulouse
Children :

• William X of Aquitaine