_Mieszko I PIAST _________+
                                                        | (1252 - 1315)            
                               _Casimir I PIAST ________|
                              | (1280 - 1358)           |
                              |                         |__________________________
                              |                                                    
 _Přemyslav I Nošák PIAST _|
| (1333 - 1410) m 1360        |
|                             |                          _Trojden I PIAST _________+
|                             |                         | (1284 - 1340)            
|                             |_Euphemia of PIAST ______|
|                               (1312 - 1373)           |
|                                                       |_Maria Yurievna of RURIK _+
|                                                         (1293 - 1340)            
|
|--Bolesław I PIAST 
|  (1363 - 1431)
|                                                        _Casimir I PIAST _________+
|                                                       | (1280 - 1358)            
|                              _Bolesław PIAST ________|
|                             | (1330 - 1355)           |
|                             |                         |_Euphemia of PIAST _______+
|                             |                           (1312 - 1373)            
|_Elisabeth of PIAST _________|
  (1347 - 1374) m 1360        |
                              |                          __________________________
                              |                         |                          
                              |_Margareta of STERNBERG _|
                                                        |
                                                        |__________________________