_Rudolf I ZÄHRINGEN ____+
                                                    | (1230 - 1288) m 1257    
                            _Herman VII ZÄHRINGEN _|
                           | (1266 - 1291) m 1278   |
                           |                        |_Kunigunde of EBERSTEIN _
                           |                          (1230 - 1284) m 1257    
 _Frederick II ZÄHRINGEN _|
| (.... - 1333)            |
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|                          |_Agnes of TREHENDINGEN _|
|                            (.... - 1308) m 1278   |
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|
|--Herman IX ZÄHRINGEN 
|  (.... - 1353)
|                                                    _________________________
|                                                   |                         
|                           ________________________|
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|                          |                                                  
|_Margaret of VAIHINGEN ___|
  (.... - 1348)            |
                           |                         _________________________
                           |                        |                         
                           |________________________|
                                                    |
                                                    |_________________________