Hildouin IV De Roucy
Hildouin IV was born in 1021 in Montdidier, Somme, France.  He died about 1063.

 Adele De Roucy
Adele was born about 1004 in Roucy, France.  She died in 1063.

 Beatrice De Montdidier De Roucy
Beatrice De Montdidier was born in 1051 in Montdidier, Picardy, France.

 Andre De Roucy De Baudemont
Andre De Roucy was born about 1058 in France.  He died after 1118.