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Male Guillaume I. Champignelles, de Click to view Guillaume I. Champignelles, de in the family tree View timeline for this person's branch of the family tree

Guillaume I. was born in 1228.  Guillaume I.'s father was Robert I. Courtenay, de and his mother was Mahaut Mehun, de.  His paternal grandparents were Pierre Courtenay, de and Elisabeth Courtenay, de. He had five brothers and two sisters, named Pierre, Philippe, Raoul, Robert, Jean, Isabeau and Blanche. He had two half-sisters named Clemence and Agnes.  He died at the age of 52 in 1280.  He was buried in Abbaye Notre-Dame at Fontaine-Jean.

Family Details of Guillaume I.'s family with Marguerite Bourgogne, de

Family Details of Guillaume I.'s family with Agnes Toucy, de