Hildouin IV Comte de MONTDIDIER
Hildouin IV Comte de was born in 0998 in Montdidier, Picardy, France.  He died at the age of 71 in 1069.

 Alice (Adela) de ROUCY
Alice (Adela) de was born about 1024 in Roucy, Asine, France.  She died in 1069.

 Beatrice de MONTDIDIER
Beatrice de was born about 1051 in Montdidier, Picardy, France.