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Male Gauthier I De+ Brienne Click to view Gauthier I De+ Brienne in the family tree

Gauthier I De+ was born about 1061.  Gauthier I De+'s father is Engelbert IV De+ Brienne.  His paternal grandparents are Engelbert III De+ Brienne and Mainfreda De+ Sens.  He is an only child.


Gauthier I De+'s family with Eustachie De+ Tonnerre

They had three sons named Milon De+, Engelbert De and Erard I De+.


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