Geoffroy II. du Perche

Geoffroy II.'s father was Rotrou I. Mortagne and his mother was Adeline de Belleme.  His paternal grandparents were Geoffroy I. Mortagne and Helvide de Blois; his maternal grandfather was Warin de Belleme.  He was an only child.  He died in 1100.¹ 

They had a daughter named Julienne.