_Frederick IV HOHENZOLLERN _+
                                                         | (1188 - 1255) m 1248       
                              _Frederick V HOHENZOLLERN _|
                             | (.... - 1289)             |
                             |                           |_Elisabeth of ABENSBERG ____
                             |                              m 1248                    
 _Frederick VI HOHENZOLLERN _|
| (.... - 1298) m 1281       |
|                            |                            ____________________________
|                            |                           |                            
|                            |_Udelhild of DILLINGEN ____|
|                              (.... - 1289)             |
|                                                        |____________________________
|                                                                                     
|
|--Frederick VII HOHENZOLLERN 
|  (.... - 1309)
|                                                         _Herman V ZÄHRINGEN _______+
|                                                        | (.... - 1242)              
|                             _Rudolf I ZÄHRINGEN ______|
|                            | (1230 - 1288) m 1257      |
|                            |                           |_Irmengard of WELF _________+
|                            |                             (1200 - 1259)              
|_Kunigunde of ZÄHRINGEN ___|
  (1265 - 1310) m 1281       |
                             |                            ____________________________
                             |                           |                            
                             |_Kunigunde of EBERSTEIN ___|
                               (1230 - 1284) m 1257      |
                                                         |____________________________