_Konrad I PIAST _______________+ | (1188 - 1247) _Casimir I PIAST _____| | (1211 - 1267) | | |_Agafia Svyatoslavna of RURIK _+ | _Władysław I PIAST _| | (1261 - 1332) | | | _Casimir I PIAST ______________+ | | | (1179 - 1230) | |_Euphrosyne of PIAST _| | (1228 - 1292) | | |_ VIOLA _______________________ | | |--Elizabeth of PIAST | (1305 - 1380) | _Władysław PIAST ____________+ | | (1190 - 1239) | _Bolesław PIAST _____| | | (1224 - 1279) | | | |_ HEDWIG ______________________ | | (.... - 1249) |_Jadwiga of PIAST ____| (1266 - 1339) | | _Bela IV ÁRPÁD ______________+ | | (1206 - 1270) |_Yolanda of ÁRPÁD __| (1235 - 1298) | |_Marie of LASKARIS ____________+ (1206 - 1270)