Geoffrey II de Mortaigne
Geoffrey II was born in 0975.  He died at the age of 56 on December 15th, 1031.

 UNKNOWN Elensie
UNKNOWN was born in 0980.  She died after 1005.

 Rotrou I de Montague de La Perche
Rotrou I de Montague de was born in 1005.  He died after 1045.