Count Hildouin of Montdidier
Hildouin was born in 0960 in Montdidier, Somme, France.¹ 

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 Count Hildouin of Montdidier III
Hildouin was born in 0980 in Montdidier, Somme, France.² 

 Adelaide de Montdidier
Adelaide was born in 0990 in Montdidier, Somme, France.² 

 Manassess de Dammartin
Manassess was born in 1010 in Dammartine-en-Goele, Seine-Et-Marne, France.³   He died as a war casualty, seige of Bar-le-Duc, at the age of 47 on November 15th, 1057 in Bar-le-Duc, Lorraine, France.³