Geoffrey De Mandeville
Geoffrey was born about 1036 in Rycott, , Oxford, England.

 Adeliza De Balts
Adeliza was born about 1040 in Rycott, , Oxford, England.

 William De Mandeville
William was born about 1062 in Rycott, , Oxford, England.  He died in 1130.  He was buried in 1130.

 Beatrice De Mandeville
Beatrice was born about 1064 in , , , England.