Sheriff Robert d'Avranches of Kent
Robert was born in 1087.  He died at the age of 43 in 1130.

 Maud de Monville
Maud was born in 1089.

 Baroness Maud d'Avranches of Okehampton
Maud was born about 1097 in England.  She died on September 21st, 1173.