_Albert I ASCANIA _____________+ | (1175 - 1260) m 1247 _John I ASCANIA ____________________| | (1249 - 1285) | | |_Helen of WELF ________________+ | (1231 - 1273) m 1247 _Eric I ASCANIA ________| | (1280 - 1360) | | | _Birger Magnusson BJÄLBO _____+ | | | (1200 - 1266) | |_Ingeborg Birgersdotter of BJÄLBO _| | (1253 - 1302) | | |_Ingeborg Eriksdotter of ERIC _+ | (1212 - 1254) | |--Helen of ASCANIA | (.... - 1354) | _Barnim I GRIFFINS ____________+ | | (1217 - 1278) | _Bogislaw IV GRIFFINS ______________| | | (1255 - 1308) | | | |_Margaretta of MECKLENBURG ____ | | (1231 - 1261) |_Elisabeth of GRIFFINS _| (1291 - 1349) | | _______________________________ | | |_Margareta of RUGIA ________________| | |_______________________________