III Geoffrey
III was born about 0996 in Chateaudun, Normandy, France.  He died on December 15th, 1038.

 Helvise de Mortagne
Helvise was born about 0996 in Mortagne, Normandy, France.  Helvise is no longer alive.

 I Rotrou
I was born about 1026 in Chateaudun, Normandy, France.  He died in 1079.