_Boleslaw II PIAST ______________+
                                                 | (1253 - 1313)                   
                       _Trojden I PIAST _________|
                      | (1284 - 1340)            |
                      |                          |_Gaudemunda Sophia of MINDAUGAS _+
                      |                            (1260 - 1288)                   
 _Siemowit III PIAST _|
| (1320 - 1381)       |
|                     |                           _Yuri I Levanovich RURIK ________+
|                     |                          | (1252 - 1307)                   
|                     |_Maria Yurievna of RURIK _|
|                       (1293 - 1340)            |
|                                                |_Euphemia of PIAST ______________+
|                                                  (1265 - 1307)                   
|
|--Siemowit IV PIAST 
|  (1353 - 1425)
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