_Henry III PIAST _________+
                                            | (1251 - 1309)            
                       _Konrad I PIAST _____|
                      | (1294 - 1366)       |
                      |                     |_Matilda of WELF _________+
                      |                       (1276 - 1318)            
 _Konrad II PIAST ____|
| (1340 - 1403) m 1353|
|                     |                      _Władysław PIAST _______+
|                     |                     | (1277 - 1352) m 1308     
|                     |_Euphemia of PIAST __|
|                       (1313 - 1377)       |
|                                           |_Beatrice of ASCANIA _____+
|                                             (1270 - 1316) m 1308     
|
|--Konrad III PIAST 
|  (1359 - 1412)
|                                            _Mieszko I PIAST _________+
|                                           | (1252 - 1315)            
|                      _Casimir I PIAST ____|
|                     | (1280 - 1358)       |
|                     |                     |__________________________
|                     |                                                
|_Agnes of PIAST _____|
  (1338 - 1371) m 1353|
                      |                      _Trojden I PIAST _________+
                      |                     | (1284 - 1340)            
                      |_Euphemia of PIAST __|
                        (1312 - 1373)       |
                                            |_Maria Yurievna of RURIK _+
                                              (1293 - 1340)