_Herman II ZÄHRINGEN _+
                                                 | (1060 - 1130)         
                         _Herman III ZÄHRINGEN _|
                        | (1105 - 1159) m 1134   |
                        |                        |_Judith of HOHENBERG __
                        |                                                
 _Herman IV ZÄHRINGEN _|
| (1135 - 1190)         |
|                       |                         _Simon I METZ _________+
|                       |                        | (1076 - 1138)         
|                       |_Bertha of METZ ________|
|                         (.... - 1162) m 1134   |
|                                                |_Adelaide of REGINAR __+
|                                                  (.... - 1158)         
|
|--Bertha of ZÄHRINGEN 
|  
|                                                 _______________________
|                                                |                       
|                        ________________________|
|                       |                        |
|                       |                        |_______________________
|                       |                                                
|_Bertha of TÜBINGEN __|
                        |
                        |                         _______________________
                        |                        |                       
                        |________________________|
                                                 |
                                                 |_______________________