_Władysław PIAST ______________+
                                                 | (1225 - 1282)                   
                       _Mieszko I PIAST _________|
                      | (1252 - 1315)            |
                      |                          |_Euphemia of PIAST ______________+
                      |                            (1230 - 1280)                   
 _Casimir I PIAST ____|
| (1280 - 1358)       |
|                     |                           _________________________________
|                     |                          |                                 
|                     |__________________________|
|                                                |
|                                                |_________________________________
|                                                                                  
|
|--Bolesław PIAST 
|  (1330 - 1355)
|                                                 _Boleslaw II PIAST ______________+
|                                                | (1253 - 1313)                   
|                      _Trojden I PIAST _________|
|                     | (1284 - 1340)            |
|                     |                          |_Gaudemunda Sophia of MINDAUGAS _+
|                     |                            (1260 - 1288)                   
|_Euphemia of PIAST __|
  (1312 - 1373)       |
                      |                           _Yuri I Levanovich RURIK ________+
                      |                          | (1252 - 1307)                   
                      |_Maria Yurievna of RURIK _|
                        (1293 - 1340)            |
                                                 |_Euphemia of PIAST ______________+
                                                   (1265 - 1307)