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

Guillaume De was born about 1278.  Guillaume De's father is Geoffroi De Joinville and his mother was Mabile De Villehardouin.  His paternal grandparents were Jean De Joinville and Alix De Grandpre; his maternal grandparents were Guillaume De+ Villehardouin and Marguerite De+ Mello.  He was an only child.  He died after 1312.


Guillaume De's family with Beatrice De Brienne

They had a daughter named Alix De.


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