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Male William I de Dampierre , of Champagne Click to view William I de Dampierre , of Champagne in the family tree

William I de was born about 1125 in Troyes, Aube, Champagne, France.  William I de's father was Gui I de Dampierre , Viscount of Troyes and his mother was Helvide de Baudemont.  His paternal grandparents were Thibaud de Dampierre , Sur-L'Aube and Elizabeth de Montlhery; his maternal grandparents were Andre Sire de Baudemont , Seneschal Champagne and Agnes de Braine. He had a sister named Agnes de.  He was the older of the two children.  He died after 1161.


William I de's family with Ermengarde de Mouchy

They had a son and a daughter, named Guy II Seigneur de and Helvide de.

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