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Male Guillaume IX Duke of Aquita Click to view Guillaume IX Duke of Aquita in the family tree

Guillaume IX was born in 1061 in , , France.  Guillaume IX's father was Guido VIII GUILLAUME and his mother is Aldegarde De Bourgogne.  His paternal grandfather was Guillaume V Duke of Aquita and his paternal grandmother is Agnes De Bourgogne; his maternal grandfather was Robert Duke of Burgundy and his maternal grandmother is Helie De Semur.  He was an only child.  He died at the age of 66 in 1127.


Guillaume IX's family with Maud of Toulouse

‌Guillaume IX and Maud were married in a religious ceremony in 1094.  They had a daughter named Maud.

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