William D'Avranches
William was born about 1186 in Folkestone, Kent, England.  He died in 1263.

 Maud De Boclande
Maud was born about 1190 in Westoning, Ampthill, Bedfordshire, England.  Maud is no longer alive.

 Maud D'Avranches
Maud was born about 1220 in Folkestone, Kent, England.