_Henry VII PIAST ____________+
                                              | (1343 - 1399)               
                       _Henry IX PIAST _______|
                      | (1369 - 1420)         |
                      |                       |_Helena of ORLAMÜND ________
                      |                         (.... - 1369)               
 _Louis III PIAST ____|
| (1405 - 1441)       |
|                     |                        _Přemyslav I Nošák PIAST _+
|                     |                       | (1333 - 1410) m 1360        
|                     |_Anna of PIAST ________|
|                       (1374 - 1405)         |
|                                             |_Elisabeth of PIAST _________+
|                                               (1347 - 1374) m 1360        
|
|--John I PIAST 
|  (1425 - 1453)
|                                              _Bolko III PIAST ____________+
|                                             | (1337 - 1382)               
|                      _Bolko IV PIAST _______|
|                     | (1363 - 1437)         |
|                     |                       |_Anna of UNKNOWN ____________
|                     |                                                     
|_Margareta of PIAST _|
  (1412 - 1453)       |
                      |                        _____________________________
                      |                       |                             
                      |_Margareta of UNKNOWN _|
                        (1375 - 1437)         |
                                              |_____________________________