_John I PIAST _______________________+
                                                      | (1425 - 1453)                       
                           _Frederick I PIAST ________|
                          | (1446 - 1488)             |
                          |                           |_Hedwig of PIAST ____________________+
                          |                             (1433 - 1471)                       
 _Frederick II PIAST _____|
| (1479 - 1547) m 1518    |
|                         |                            _George PODĔBRADY __________________
|                         |                           | (1420 - 1470) m 1450                
|                         |_Ludmila of PODĔBRADY ____|
|                           (1456 - 1502)             |
|                                                     |_Joanna of ROŽMITÁL _______________
|                                                       (1430 - 1475) m 1450                
|
|--George II PIAST 
|  (1523 - 1586)
|                                                      _Albrecht III Achilles HOHENZOLLERN _+
|                                                     | (1414 - 1485) m 1458                
|                          _Frederick I HOHENZOLLERN _|
|                         | (1460 - 1536)             |
|                         |                           |_Anna of WETTIN _____________________+
|                         |                             (1436 - 1512) m 1458                
|_Sophie of HOHENZOLLERN _|
  (1484 - 1537) m 1518    |
                          |                            _Casimir IV JAGIEŁŁO ______________+
                          |                           | (1427 - 1492)                       
                          |_Sophia of JAGIEŁŁO _____|
                            (1464 - 1512)             |
                                                      |_Elizabeth of HABSBURG ______________+
                                                        (1436 - 1505)