_Herman I ZÄHRINGEN _________+
                                                 | (1040 - 1074)                
                          _Herman II ZÄHRINGEN _|
                         | (1060 - 1130)         |
                         |                       |_Judit of BACKNANG-SULICHGAU _
                         |                                                      
 _Herman III ZÄHRINGEN _|
| (1105 - 1159) m 1134   |
|                        |                        ______________________________
|                        |                       |                              
|                        |_Judith of HOHENBERG __|
|                                                |
|                                                |______________________________
|                                                                               
|
|--Gertrud of ZÄHRINGEN 
|  (.... - 1225)
|                                                 _Theoderic II METZ ___________+
|                                                | (1055 - 1115) m 1075         
|                         _Simon I METZ _________|
|                        | (1076 - 1138)         |
|                        |                       |_Hedwig of FORMBACH __________+
|                        |                         (1058 - 1090) m 1075         
|_Bertha of METZ ________|
  (.... - 1162) m 1134   |
                         |                        _Henry III REGINAR ___________+
                         |                       | (.... - 1095) m 1090         
                         |_Adelaide of REGINAR __|
                           (.... - 1158)         |
                                                 |_Gertrude of FLANDERS ________+
                                                   (1070 - 1117) m 1090