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Male Guillaume IV De La Guerche Click to view Guillaume IV De La Guerche in the family tree

Guillaume IV was born in 1215.  Guillaume IV's father was Guillaume III De La Guerche and his mother was Hersende De Sillé-Le-Guillaume.  His paternal grandparents were Geoffroi III De La Guerche and Louise De Chateau-Gontier; his maternal grandparents were Guillame III De Sillé-Le-Guillaume and Ermengarde N.... He had a sister named Thomasse.  He was the older of the two children.  He died at the age of 56 in 1271.


Guillaume IV's family with Anne De Montmorency

‌Guillaume IV and Anne were married in a religious ceremony about 1240.  They had a daughter named Jeanne.

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