_Frederick I HOHENZOLLERN ____+
                                                           | (.... - 1125)                
                               _Frederick II HOHENZOLLERN _|
                              | (1125 - 1142)              |
                              |                            |_Udilhild of URACH-DETTINGEN _
                              |                              (.... - 1134)                
 _Frederick III HOHENZOLLERN _|
| (1139 - 1200) m 1184        |
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|
|--Elisabeth of HOHENZOLLERN 
|  (.... - 1255)
|                                                           ______________________________
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|                              ____________________________|
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|_Sophie of RAABS ____________|
  (1170 - 1204) m 1184        |
                              |                             ______________________________
                              |                            |                              
                              |____________________________|
                                                           |
                                                           |______________________________