of Montdidier, Somme, France
- References (4)
- 0960 Individual: Hildouin II de Montdidier Count of Roucy (b. 0960 )
- 0960 Individual: Hildouin II de Montdidier Ct de Roucy (b. 0960 )
- 1000 Individual: Hildouin III de Montdidier Count of Roucy (b. 1000 )
- 1045 Individual: Marguerite de Montdidier (b. 1045 )