Geoffrey II de Mortaigne de La Perche
Geoffrey II de Mortaigne de was born in 1045.  He died at the age of 55 in 1100.

 Beatrice de Montdidier de Roucy
Beatrice de Montdidier was born in Montdidier, Somme, France.  She died after 1129.

 Rotrou II le Grand de La Perche
Rotrou II le Grand de was born in 1065.

 Julienne de La Perche
Julienne de was born in 1069.

 Mauhaut de La Perche
Mauhaut de was born in 1071.  She died at the age of 72 on May 28th, 1143.

 Marguerite de La Perche
Marguerite de was born before 1100.  She died about 1156.