Thurstan le Goz d'Avranches
Thurstan le Goz was born in 1000 in Normandy, France.  He died at the age of 41 in 1041.

 Judith de Monterolier
Judith was born in 1004 in Normandy, France.

 Robert de Bigod
Robert was born about 1015 in Avranches, Normandy, France.  He died about 1071.

 Richard le Goz d'Avranches
Richard le Goz was born after 1015 in Normandy, France.  He died after 1066 in Normandy, France.