Geoffrey De Mandeville
Geoffrey was born about 1040 in Normandy, France.  He died after 1085 in Westminster Abbey, Westminster, Middlesex, England.

 Adeliza De Balts
Adeliza was born about 1040 in Rycott, Oxfordshire, England.  She died in Westminster, Middlesex, England.

 Geoffrey De Mandeville
Geoffrey was born about 1060.

 Beatrice De Mandeville
Beatrice was born about 1065.

 William De Mandeville
William was born about 1066.  He died about 1130 in England.