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Male Guillaume De Mont-Saint-Jean Click to view Guillaume De Mont-Saint-Jean in the family tree

Guillaume's father is Hugues De Mont-Saint-Jean and his mother is Elisabeth De Vergy.  His paternal grandparents are Guy De Mont-Saint-Jean and ? De Saulx; his maternal grandfather is Herve De Vergy.  He is an only child.


Guillaume's family with Bure Des Barres

They have a son named Guillaume.

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