William II De+ Courcy
William II De+ was born about 1095 in Newenham, Oxfordshire, England.  He died about 1130.

 Avice De+ Meschines
Avice De+ was born about 1110 in Harringworth, Northumberland, England.  She died in Rougemont, West Ride Yorkshire, England.

 William III De+ Courcy
William III De+ was born before 1131 in Newenham, Oxfordshire, England.