Hildouin II de Montdidier
Hildouin II was born in Montdidier, Somme, France.

 Daughter de Dammartin
Daughter was born before 0985.  She died after 1010.

 Manasses de Ramerupt de Danmartin
Manasses de Ramerupt was born about 1010.  He died on November 15th, 1037.

 Hildouin III de Montdidier
Hildouin III was born in Montdidier, Somme, France.  He died in 1062.