_Basil VATATZES ________
                                                           |                        
                                _John III Doukas VATATZES _|
                               | (1192 - 1254)             |
                               |                           |________________________
                               |                                                    
 _Theodore II Doukas LASKARIS _|
| (1222 - 1258)                |
|                              |                            _Theodore I LASKARIS ___+
|                              |                           | (1175 - 1221)          
|                              |_Irene LASKARIS ___________|
|                                (1194 - 1240)             |
|                                                          |_Anna Komnenos ANGELOS _+
|                                                            (1176 - 1212)          
|
|--John IV Doukas LASKARIS 
|  (1250 - 1305)
|                                                           _Ivan I ASEN ___________+
|                                                          | (.... - 1196) m 1183   
|                               _Ivan II ASEN _____________|
|                              | (1190 - 1241)             |
|                              |                           |_Helen of UNKNOWN ______
|                              |                              m 1183                
|_Elena of ASEN _______________|
  (1224 - 1251)                |
                               |                            _Andrew II ÁRPÁD _____+
                               |                           | (1177 - 1235)          
                               |_Anna Maria of ÁRPÁD ____|
                                 (1204 - 1237)             |
                                                           |_Gertrude of ANDECHS ___+
                                                             (1185 - 1213)