*Bouchard d'Avesnes
born about 1182 Oizy, Namur, Belgium
died 1244 (beheaded)

father:
*Jacques d'Avesnes
born about 1155 Avesnes, Pas-De-Calais, France
died 7 September 1191 near Arsoef, Palestine

mother:
*Adelphie de Guise
born about 1159 Guise, Aisne, France

siblings:
Gauthier d'Avesnes born about 1181 Avesnes, Pas-De-Calais, France died 1245/46
Mathilde d'Avesnes born about 1183 Avesnes, Pas-De-Calais, France died 5 November 1237
Jacques d'Avesnes born about 1184 Avesnes, Pas-De-Calais, France
Ida d'Avesnes born about 1185 Avesnes, Pas-De-Calais, France died about 23 November 1216
Ada d'Avesnes born about 1186 Avesnes, Pas-De-Calais, France died 4 December 1239
Guy d'Avesnes born about 1187 Avesnes, Pas-De-Calais, France
Adelaide De Avesnes died 1219

spouse:
*Marguerite Comtesse de Flanders
born 2 June 1202 Constantinople, Byzantium
died 10 February 1280
married March 1216 Etraeungt, Nord, France

children:
*Jean I de Hainault d'Avesnes Count in Flanders
born 1 May 1218 Etraeungt, Nord, France or Houffalize, Luxembourg
died 24 December 1257 Valenciennes, Nord, France
Baudouin d'Avesnes born about 1218 Houffalize, Luxenbourg died before 1219

biographical and/or anecdotal:

notes or source:
LDS
ancestry.com