_Asen of ASEN ________
                                                |                      
                          _Ivan I ASEN _________|
                         | (.... - 1196) m 1183 |
                         |                      |______________________
                         |                                             
 _Ivan II ASEN __________|
| (1190 - 1241)          |
|                        |                       ______________________
|                        |                      |                      
|                        |_Helen of UNKNOWN ____|
|                           m 1183              |
|                                               |______________________
|                                                                      
|
|--Peter ASEN 
|  (.... - 1237)
|                                                _Béla III ÁRPÁD ___+
|                                               | (1148 - 1196)        
|                         _Andrew II ÁRPÁD ___|
|                        | (1177 - 1235)        |
|                        |                      |_Agnes of CHÂTILLON _+
|                        |                        (1154 - 1184)        
|_Anna Maria of ÁRPÁD _|
  (1204 - 1237)          |
                         |                       _Berthold IV ANDECHS _+
                         |                      | (1159 - 1204)        
                         |_Gertrude of ANDECHS _|
                           (1185 - 1213)        |
                                                |_Agnes of WETTIN _____+
                                                  (.... - 1195)