Family: Jean I De AVESNES, COUNT OF FLANDERS & HAINAULT / Aleida Countess Of HOLLAND, COUNTESS OF AVESNES (F4141)
m. Sep 1246
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Male
Jean I De AVESNES, COUNT OF FLANDERS & HAINAULT
Birth Apr 1218 , Houffalize, Luxembourg, Belgium 
Death 24 Dec 1257 , Valenciennes, Nord, France Burial , Valenciennes, Nord, France Marriage Sep 1246 , Frankfort Am Main, Hessen-Nassau, Prussia Father Bouchard de AVESNES | F4120 Group Sheet Mother Marguerite Countess Of FLANDERS & HAINAULT | F4120 Group Sheet
Female
Aleida Countess Of HOLLAND, COUNTESS OF AVESNES
Birth Abt 1226 Of, 'S-Hertogenbosch, Noord-Brabant, Netherlands Death 8 Mar 1283 OR 16 Apr 1283 , Valenciennes, Nord, France Burial Father Floris IV Count Of HOLLAND | F4115 Group Sheet Mother Mathilde Princess Of BRABANT | F4115 Group Sheet
Male
Jean II de AVESNES, COUNT OF HOLLAND & HAINAULT
Birth Abt 1247 , Brabant, Brabant, Belgium Death 22 Aug 1304 , Valenciennes, Nord, France Burial Spouse Philippine Countess de LUXEMBOURG | F2747 Marriage 1270 Spouse Ymzoete | F4031 Marriage
Male
Bouchard de AVESNES, BISHOP OF METZ
Birth 26 May 1251 Of, Valenciennes, Nord, France Death 29 Nov 1296 Burial , Metz, Moselle, France
Male
Guy de AVESNES, BISHOP OF UTRECHT
Birth Abt 1253 Of, Valenciennes, Nord, France Death 28 May 1317 , Utrecht, Utrecht, Netherlands Burial
Male
Guillaume de AVESNES, BISHOP OF CAMBRAI
Birth 1254 Of, Valenciennes, Nord, France Death 1296 Burial
Male
Floris de AVESNES, PRINCE OF ACHAJA
Birth 1255 Of, Valenciennes, Nord, France Death 23 Jan 1297 Burial Spouse Isabelle de VILLEHARDOUIN | F4008 Marriage 16 Sep 1289
Female
Jeanne de AVESNES, ABBESS OF FLINES
Birth Abt 1256 Of, Valenciennes, Nord, France Death 1304 Burial