William I de Dampierre , of Champagne
William I de was born about 1125 in Troyes, Aube, Champagne, France.  He died after 1161.

 Ermengarde de Mouchy
Ermengarde de was born about 1130 in France.  Ermengarde de is no longer alive.

 Guy II Seigneur de Dampierre
Guy II Seigneur de was born about 1155 in Troyes, Aube, Champagne, France.  He died in St Laumer, Blois, Loir-et-Cher, Orleanais/Centre, France.

 Helvide de Dampierre
Helvide de was born about 1165 in Champagne, France.  She died after 1200.