*William de Burgo Comte de Mortaigne
born before 1084

father:
*Robert Comte de Mortaigne
born about 1037 Mortaigne, Normandie
died 8 December 1090 France
buried Abbaye de Grestain

mother:
*Maude de Montgomery
born about 1041 Mortaigne, S-Mnch, France
died 1107
buried Abbaye de Grestain
married before 1058

siblings:
Hubert de Burgo de Mortaigne
Denise de Mortaigne
*Agnes de Mortaigne born about 1054 Mortagne, S-Mnch, France
Emma de Mortaigne born about 1058 Mortaigne, S-Mnch, France

spouse:
unknown

children:
*Aldhelm (Adelmus) de Burgo de Mortaigne

biographical and/or anecdotal:

notes or source:
LDS
ancestry.com