_Alexios PALAIOLOGOS ___+
                                                      |                        
                             _Andronikos PALAIOLOGOS _|
                            | (1190 - 1248)           |
                            |                         |_Irene of KOMNENOS _____+
                            |                                                  
 _Michael VIII PALAIOLOGOS _|
| (1224 - 1282)             |
|                           |                          _Alexios PALAIOLOGOS ___+
|                           |                         | (.... - 1203)          
|                           |_Theodora PALAIOLOGOS ___|
|                                                     |
|                                                     |_Irene ANGELOS _________+
|                                                                              
|
|--Constantine PALAIOLOGOS 
|  (1261 - 1306)
|                                                      _Isaac Doukas VATATZES _+
|                                                     | (1188 - 1261)          
|                            _John Doukas VATATZES ___|
|                           |                         |
|                           |                         |________________________
|                           |                                                  
|_Theodora Doukas VATATZES _|
  (1240 - 1302)             |
                            |                          _John ANGELOS __________+
                            |                         | (1193 - 1250)          
                            |_Eudokia ANGELOS ________|
                                                      |
                                                      |_Matilda of ISSOUDUN ___+
                                                        (1210 - 1255)