Walter De Cantelou
Walter was born in 1102.  Walter is no longer alive.

 Walter William II De Cantilupe
Walter William II was born about 1128 in Longueville, Gersey, Wales.  He died about 1182 in Longueville, Channel Isles.

 Mabel De Cantilupe
Mabel was born about 1139.  She died in 1173.