_Michael I KOMNENOSDOUKAS _+
                                                              | (1170 - 1215)             
                                _Michael II KOMNENOSDOUKAS ___|
                               | (.... - 1266)                |
                               |                              |___________________________
                               |                                                          
 _Nikephoros I KOMNENOSDOUKAS _|
| (.... - 1297)                |
|                              |                               _John PETRALIPHAS _________
|                              |                              |                           
|                              |_Theodora PETRALIPHAS ________|
|                                (1210 - ....)                |
|                                                             |___________________________
|                                                                                         
|
|--Maria KOMNENOSDOUKAS 
|  
|                                                              _John III Doukas VATATZES _+
|                                                             | (1192 - 1254)             
|                               _Theodore II Doukas LASKARIS _|
|                              | (1222 - 1258)                |
|                              |                              |_Irene LASKARIS ___________+
|                              |                                (1194 - 1240)             
|_Maria Laskaris VATATZES _____|
  (.... - 1268)                |
                               |                               _Ivan II ASEN _____________+
                               |                              | (1190 - 1241)             
                               |_Elena of ASEN _______________|
                                 (1224 - 1251)                |
                                                              |_Anna Maria of ÁRPÁD ____+
                                                                (1204 - 1237)