Hildouin II De+ Montdidier
Hildouin II De+ was born about 0935.

 Helvise De+ Laon
Helvise De+ was born about 0940.

 Manasses De Montididier D'+ Omont
Manasses De Montididier D'+ was born about 0960.

 Hildouin III De+ Montdidier
Hildouin III De+ was born about 0980.  He died in Ramerupt, Aube, Champagne, France.