Wauthier D'Oisy
Wauthier was born about 1105 in Oisy, Namur, Belgium.  He died in 1147.

 Princess Of Mortagne Ade
Princess Of Mortagne was born about 1109 in Oisy, Namur, Belgium.  Princess Of Mortagne is no longer alive.

 Nicolas "Plukiel" D'Avesnes
Nicolas "Plukiel" was born about 1130 in Oisy, Namur, Belgium.  He died in 1170.

 Thierry D'Avesnes
Thierry was born about 1132.

 Everard D'Avesnes
Everard was born about 1134.

 Petronille D'Avesnes
Petronille was born about 1136.

 Gossum D'Avesnes
Gossum was born about 1138.

 Fastré D'Avesnes
Fastré was born about 1140.