_Henry II PIAST ______+
                                            | (1196 - 1241)        
                       _Bolesław II PIAST _|
                      | (1220 - 1278)       |
                      |                     |_Anne of PŘEMYSLID __+
                      |                       (1203 - 1265)        
 _Henry V PIAST ______|
| (1248 - 1295)       |
|                     |                      _Henry I ASCANIA _____+
|                     |                     | (1170 - 1252)        
|                     |_Hedwig of ASCANIA __|
|                       (.... - 1259)       |
|                                           |_Irmgard of LUDOVING _+
|                                             (1197 - 1244)        
|
|--Boleslaw III PIAST 
|  (1291 - 1352)
|                                            _Władysław PIAST ___+
|                                           | (1190 - 1239)        
|                      _Bolesław PIAST ____|
|                     | (1224 - 1279)       |
|                     |                     |_Hedwig of UNKNOWN ___
|                     |                       (.... - 1249)        
|_Elisabeth of PIAST _|
  (1263 - 1304)       |
                      |                      _Bela IV ÁRPÁD _____+
                      |                     | (1206 - 1270)        
                      |_Yolanda of ÁRPÁD _|
                        (1235 - 1298)       |
                                            |_Maria LASKARIS ______+
                                              (1206 - 1270)