_Rudolph II HABSBURG ______+
                                                       | (.... - 1232)             
                             _Albert IV HABSBURG ______|
                            | (1188 - 1239) m 1217     |
                            |                          |_Agnes of STAUFEN _________
                            |                                                      
 _Rudolf I HABSBURG ________|
| (1218 - 1291)             |
|                           |                           _Ulrich III of KYBURG _____+
|                           |                          |                           
|                           |_Hedwig of KYBURG ________|
|                              m 1217                  |
|                                                      |_Anna of ZÄHRINGEN _______+
|                                                                                  
|
|--Rudolf II HABSBURG 
|  (1270 - 1290)
|                                                       _Burkhard IV HOHENZOLLERN _+
|                                                      | (1176 - 1225)             
|                            _Burkhard V HOHENZOLLERN _|
|                           | (1201 - 1253)            |
|                           |                          |_Willipurg of AICHELBERG __
|                           |                                                      
|_Gertrude of HOHENZOLLERN _|
  (1225 - 1280)             |
                            |                           ___________________________
                            |                          |                           
                            |_Matilda of TÜBINGEN ____|
                              (.... - 1253)            |
                                                       |___________________________