_Michael I KOMNENOSDOUKAS _+
                                                         | (1170 - 1215)             
                             _Michael II KOMNENOSDOUKAS _|
                            | (.... - 1266)              |
                            |                            |___________________________
                            |                                                        
 _Demetrios KOMNENOSDOUKAS _|
|                           |
|                           |                             _John PETRALIPHAS _________
|                           |                            |                           
|                           |_Theodora PETRALIPHAS ______|
|                             (1210 - ....)              |
|                                                        |___________________________
|                                                                                    
|
|--Constantine KOMNENOSDOUKAS 
|  
|                                                         _Andronikos PALAIOLOGOS ___+
|                                                        | (1190 - 1248)             
|                            _Michael VIII PALAIOLOGOS __|
|                           | (1224 - 1282)              |
|                           |                            |_Theodora PALAIOLOGOS _____+
|                           |                                                        
|_Anna PALAIOLOGOS _________|
  (1260 - 1299)             |
                            |                             _John Doukas VATATZES _____+
                            |                            |                           
                            |_Theodora Doukas VATATZES __|
                              (1240 - 1302)              |
                                                         |_Eudokia ANGELOS __________+