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Male Guillaume II De Fiennes Click to view Guillaume II De Fiennes in the family tree

Guillaume II was born about 1245 in , Wendover, , Gbr.  Guillaume II's father was Enguerrand II De Fiennes and his mother was Agnès Ou Isabelle De Condé.  His paternal grandparents were Guillaume Ier De Fiennes and Agnès De Dammartin; his maternal grandparents were Jacques De Condé and Agnès De Roeulx.  He was an only child.  He died on July 8th, 1302 in , Courtrai, , Bel.


Guillaume II's family with Blanche De Brienne

‌Guillaume II and Blanche were married in a religious ceremony in 1266.  They had a son named Jean Ier.

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