Earl  Robert de Mortaigne
Robert was born in 1031 in Mortaigne,Normandy.  He died at the age of 59 on December 8th, 1090.

 Maud de Montgomery
Maud was born about 1049 in of Mortaigne,Normandy.  She died in 1107.

 Agnes de Mortaigne
Agnes was born about 1054 in of Mortaigne,Normandy.

 William fitz Robert
William was born about 1084 in of Cornwall,England.

 Denise de Mortaigne

 Emma de Mortain