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

William IX was born on October 22nd, 1071 in France.  He died in France.

William IX's family with Countess Philippa Mathilde Maud Toulouse

‌William IX and Philippa Mathilde Maud were married in a religious ceremony in 1094 in France.  They had a son and a daughter, named Guillaume X Duke and Agnes Maud of.

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