Hildouin III
He married Alice or Adelaide of Roucy 1031 . Alice or Adelaide of Roucy was born at of Roucy, Aisne, France Abt 1014 daughter of Eblo I de Roucy and Beatrix de Hainault .
They were the parents of 5
children:
Adela of Rameru
born Abt 1045.
Margaret de Roucy
born Abt 1035.
Isabel of Ramerupt
born Abt 1028.
Felicia of Roucy
born Abt 1050.
Beatrice of Montdidier
born Abt 1056.
Hildouin III died Abt 1063 .
Alice or Adelaide of Roucy died 1063 .