Alberic de Coucy
Alberic de was born about 1015 in Coucy, France.  Alberic de is no longer alive.

 Adele de Mantes
Adele de was born about 1016 in France.  Adele de is no longer alive.

 Dreux de Coucy , Sire de Boves
Dreux de was born about 1032 in Boves, Somme, France.  He died after 1069.