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Male Guillaume I De Hauteville Click to view Guillaume I De Hauteville in the family tree

Guillaume I De was born about 1126.  Guillaume I De's father was Roger II De+ Hauteville and his mother was Elvira Alfonsez De+ Castilla.  His paternal grandparents were Roger I De+ Hauteville and Adelaide Di+ Savona; his maternal grandparents were Afonso VI De Leon Y+ Castilla and Isabelle+ al-Mu'tamid. He had a brother named Roger De+.  He was the younger of the two children. He had a half-sister named Constance De+.  He died on May 7th, 1166.


Guillaume I De's family with Margarita De Navarre



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