_Otto I WITTELSBACH _______
                                                                            | (1020 - 1072)             
                                   _Eckhard I WITTELSBACH __________________|
                                  | (.... - 1091)                           |
                                  |                                         |_FNU of REICHERSBEUERN ____
                                  |                                                                     
 _Otto IV WITTELSBACH ____________|
| (1083 - 1156)                   |
|                                 |                                          _Ulric I of WEIMAR ________+
|                                 |                                         | (.... - 1069)             
|                                 |_Richardis of WEIMAR ____________________|
|                                                                           |
|                                                                           |_Sophia of ÁRPÁD ________+
|                                                                             (1050 - 1095)             
|
|--Hedwig of WITTELSBACH 
|  (1117 - 1174)
|                                                                            ___________________________
|                                                                           |                           
|                                  _Frederick III of PETTENDORF-LENGENFELD _|
|                                 |                                         |
|                                 |                                         |___________________________
|                                 |                                                                     
|_Heilika of PETTENDORF-LENGFELD _|
  (1103 - 1170)                   |
                                  |                                          _Frederick I HOHENSTAUFEN _+
                                  |                                         | (1050 - 1105)             
                                  |_Heilika of HOHENSTAUFEN ________________|
                                                                            |
                                                                            |_Agnes of SALIAN __________+
                                                                              (1072 - 1143)