Olivier Ier Ou Robert De Montfort-Le-Hédé
Olivier Ier Ou Robert was born in 1110.  He died at the age of 68 in 1178.

 Anne De Fougères
Anne was born in 1120.

 Gasceline De Montfort-Le-Hédé
Gasceline was born in 1135.

 Amaury De Montfort-Le-Hédé
Amaury was born in 1145.  He died at the age of 42 in 1187.