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Male Guillaume De Sancerre Click to view Guillaume De Sancerre in the family tree

Guillaume De was born after 1175.  Guillaume De's father was Etienne I De Sancerre De Blois and his mother is Adelaide De Donzy.  His paternal grandparents were Thibaud IV De+ Champagne-Blois and Mathilde Von+ Sponheim; his maternal grandparents are Geoffroy IV De+ Donzy and Garne De+ Toucy. He had a brother named Etienne II De.  He was the younger of the two children.  He died in 1217.


Guillaume De's family with Marie De Charenton

They had a son named Louis I De.


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