_Henry I ZÄHRINGEN _+
                                                     | (.... - 1231)       
                        _Henry II ZÄHRINGEN ________|
                       | (1231 - 1297)               |
                       |                             |_Agnes of URACH _____
                       |                                                   
 _Rudolf I ZÄHRINGEN _|
| (.... - 1313) m 1298 |
|                      |                              _____________________
|                      |                             |                     
|                      |_Anne of ÜSINGEN-KETZINGEN _|
|                                                    |
|                                                    |_____________________
|                                                                          
|
|--Otto I ZÄHRINGEN 
|  (1302 - 1384)
|                                                     _____________________
|                                                    |                     
|                       _____________________________|
|                      |                             |
|                      |                             |_____________________
|                      |                                                   
|_Agnes of RÖTTELN ___|
   m 1298              |
                       |                              _____________________
                       |                             |                     
                       |_____________________________|
                                                     |
                                                     |_____________________