______________________________ | _John I AVESNES ___________| | (1218 - 1257) | | |______________________________ | _John II AVESNES ________| | (1247 - 1304) | | | _Floris IV HOLLAND ___________+ | | | (1210 - 1234) | |_Adelaide of HOLLAND ______| | (1230 - 1284) | | |_Matilda of REGINAR __________ | (1200 - 1267) | |--William III AVESNES | (1286 - 1337) | _Waleran III ARDENNES-VERDUN _+ | | (1165 - 1226) m 1214 | _Henry V LUXEMBOURG _______| | | (1216 - 1281) m 1240 | | | |_Ermesinde of NAMUR __________+ | | (1186 - 1246) m 1214 |_Philippa of LUXEMBOURG _| (1252 - 1311) | | ______________________________ | | |_Margaret of MONTBÉLIARD _| (1220 - 1275) m 1240 | |______________________________