Gauthier I (Walter) Count of BRIENNE & Eustachie de BAR-SUR-SEINE 
They had a son named Milo II Count of.
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Personal Details
Gauthier I (Walter) Count of BRIENNE
Gauthier I (Walter) Count of was born about 1045 in Brienne-le-Chateau, Aube, Champagne, France. He died in 1089.
Eustachie de BAR-SUR-SEINE
Eustachie de was born about 1040 in Bar-Sur-Seine, Aube, Champagne, France.
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Children
Milo II Count of BAR-SUR-SEINE
Milo II Count of was born about 1060 in Brienne-le-Chateau, Aube, Champagne, France. He died after 1125 in Bar-Sur-Seine, Aube, Champagne, France.