_Herman IV ZÄHRINGEN __+
                                                 | (1135 - 1190)          
                           _Herman V ZÄHRINGEN _|
                          | (.... - 1242)        |
                          |                      |_Bertha of TÜBINGEN ___
                          |                                               
 _Rudolf I ZÄHRINGEN ____|
| (1230 - 1288) m 1257    |
|                         |                       _Henry V WELF __________+
|                         |                      | (1173 - 1227) m 1193   
|                         |_Irmengard of WELF ___|
|                           (1200 - 1259)        |
|                                                |_Agnes of HOHENSTAUFEN _+
|                                                  (1176 - 1204) m 1193   
|
|--Irmengard of ZÄHRINGEN 
|  (1270 - 1320)
|                                                 ________________________
|                                                |                        
|                          ______________________|
|                         |                      |
|                         |                      |________________________
|                         |                                               
|_Kunigunde of EBERSTEIN _|
  (1230 - 1284) m 1257    |
                          |                       ________________________
                          |                      |                        
                          |______________________|
                                                 |
                                                 |________________________