__
                                                        |  
                                _Berthold I ZÄHRINGEN _|
                               | (1000 - 1078)          |
                               |                        |__
                               |                           
 _Herman I ZÄHRINGEN _________|
| (1040 - 1074)                |
|                              |                         __
|                              |                        |  
|                              |_Richwara of KÄRNTEN __|
|                                (1038 - 1070)          |
|                                                       |__
|                                                          
|
|--Luitgard of ZÄHRINGEN 
|  (1065 - 1110)
|                                                        __
|                                                       |  
|                               ________________________|
|                              |                        |
|                              |                        |__
|                              |                           
|_Judit of BACKNANG-SULICHGAU _|
                               |
                               |                         __
                               |                        |  
                               |________________________|
                                                        |
                                                        |__