William I De Dampierre Seigneur
William I was born about 1135 in , , , France.  He died before 1162.  He was buried before 1162.

 Ermengarde De Mouchy
Ermengarde was born about 1135.

 Gui II De Dampierre Seigneur
Gui II was born about 1160 in , , , France.  He died on January 18th, 1216.  He was buried in 1216 in St Laumesin, , Blois, France.

 Elisabeth De Dampierre