_____________________
                                                             |                     
                         _Constantine Euphorbenos KATAKALON _|
                        |                                    |
                        |                                    |_____________________
                        |                                                          
 _Nikephoros KATAKALON _|
| (.... - 1130)         |
|                       |                                     _____________________
|                       |                                    |                     
|                       |____________________________________|
|                                                            |
|                                                            |_____________________
|                                                                                  
|
|--John KATAKALON 
|  
|                                                             _John KOMNENOS ______+
|                                                            | (1015 - 1067) m 1040
|                        _Alexios I KOMNENOS ________________|
|                       | (1057 - 1118)                      |
|                       |                                    |_Anna DALASSENE _____
|                       |                                      (1028 - 1100) m 1040
|_Maria of KOMNENOS ____|
  (1085 - 1136)         |
                        |                                     _Andronikos DOUKAS __+
                        |                                    | (.... - 1077)       
                        |_Irene of DOUKAS ___________________|
                          (1066 - 1137)                      |
                                                             |_Maria COMETOPULI ___+
                                                               (.... - 1095)