Guillaume I de Dampierre & Ermengarde De Mouchy 
They had a son and a daughter, named Constable of Champagne Gui II and Helwide.
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Personal Details
Guillaume I de Dampierre
Guillaume I was born in 1126 in Dampierre, Jura, France.1 He died at the age of 35 in 1161.1
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Children
Constable of Champagne Gui II De Dampierre
Constable of Champagne Gui II was born in 1150 in Dampierre, Jura, France.1 He died at the age of 66 on January 12th, 1216 in Dampierre, Jura, France.1