Hildouin II de Montdidier Count of Roucy
Hildouin II de Montdidier was born in 0960 in of Montdidier, Somme, France.  Hildouin II de Montdidier is no longer alive.

 daughter de Dammartin
daughter was born about 0982.¹   Daughter is no longer alive.¹ 

 Hildouin III de Montdidier Count of Roucy
Hildouin III de Montdidier was born in 1000 in of Montdidier, Somme, France.  He died at the age of 62 in 1062.

 Manasses de Ramerupt Count of Dammartin
Manasses de Ramerupt was born in 1010 in of Dammartine-en-Goele, Seine-Et-Marne, France.  He died at the age of 47 on November 15th, 1057 in Seige of Bar-le-Duc, Lorraine, France.