_Albert IV WITTELSBACH ____+
                                                        | (1447 - 1507)             
                         _William IV WITTELSBACH _______|
                        | (1493 - 1549) m 1522          |
                        |                               |_Kunigunde of HABSBURG ____+
                        |                                 (1464 - 1520)             
 _Albert V WITTELSBACH _|
| (1527 - 1579)         |
|                       |                                _Philip I ZÄHRINGEN ______+
|                       |                               | (1478 - 1533)             
|                       |_Marie Jakobäa of ZÄHRINGEN _|
|                         (1507 - 1580) m 1522          |
|                                                       |_Elisabeth of WITTELSBACH _+
|                                                         (1483 - 1522)             
|
|--William V WITTELSBACH 
|  (1547 - 1625)
|                                                        _Philip I HABSBURG ________+
|                                                       | (1478 - 1506)             
|                        _Ferdinand I HABSBURG _________|
|                       | (1502 - 1564)                 |
|                       |                               |_Joanna I of TRASTÁMARA __+
|                       |                                 (1479 - 1555)             
|_Anna of HABSBURG _____|
  (1528 - 1590)         |
                        |                                _Vladislaus II JAGIEŁŁO _+
                        |                               | (1455 - 1515) m 1502      
                        |_Anne of JAGIEŁŁO ___________|
                          (1503 - 1546)                 |
                                                        |_Anne OF FOIX-CANDALE _____+
                                                          (1484 - 1506) m 1502