Ralph de Mari
Ralph was born before 0935.  He died in St. Come du Mont, Normandy, France.

 Daughter de Mont Haguez
Daughter de Mont was born before 0935 in Mont Haguez, Normandy, France.

 Richard I the Old de Mari
Richard I the Old was born before 0950 in St. Come du Mont, Normandy, France.  He died after 1060 in St. Come du Mont, Normandy, France.