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Male Guillaume Ier De Poitiers-Valentinois Click to view Guillaume Ier De Poitiers-Valentinois in the family tree

Guillaume Ier was born in 1105.  Guillaume Ier's father was Guillaume IX Le Troubadour D'aquitaine.  His paternal grandparents were Guy-Geoffroi Ou Guillaume VIII D'aquitaine and Hildegarde De Bourgogne. He had a brother and a sister, named Guillaume X and Agnès Ou Mathilde.  He was the oldest of the three children.  He died at the age of 25 in 1130.


Guillaume Ier's family with Pagème Trencavel

They had a son named Aymar Ier.

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