Baudouin D'Avesnes
Baudouin was born in September 1219 in Houffalize, Luxembourg, Belgium.  He died at the age of 75 on April 10th, 1295.

 Félicité De Coucy
Félicité was born about 1222 in Vervins, Aisne, France.  She died in 1307.

 Jean I D'Avesnes
Jean I was born about 1241.

 Beatrice D'Avesnes
Beatrice was born about 1242 in Beaumont, Hainaut, Belgium.