 Jean of Avesnes, son of Bouchard of Avesnes and Marguerite of Flanders.Born Apr 1218 at Etroent, Luxembourg, died Dec 24, 1257 at Valenciennes, Nord, France, 39 years Married Sep 1246 at Frankfurt Am Main, Hessen-Nassau, Preussen (11 years married) to:  Amice of Burgundy, daughter of Floris of Burgundy and Mathilde of Brabant.Born ± ABT. 1226 at Child: 1. Jean of AvesnesBorn ± ABT. 1247 at Brabant, Antwerp, Belgium, died Aug 22, 1304 at Valenciennes, Nord, France, approximately 57 years | |||