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Male William IX Duke of Aquitaine The Troubadour Click to view William IX Duke of Aquitaine The Troubadour in the family tree

William IX was born in 1086.  William IX's father was William VIII Count of Gascony and his mother was Princess Hildegarde of France.  His paternal grandparents were William VII The Eagle and <Unknown>.  He died at the age of 41 in 1127.


William IX's family with Countess Philippa  de Toulouse

‌William IX and Countess Philippa  were married.  They had a son named William X Guillaume .