_____________________
                                                     |                     
                              _Constantine ANGELOS __|
                             | (1093 - 1166)         |
                             |                       |_____________________
                             |                                             
 _Andronikos Doukas ANGELOS _|
| (1133 - 1185)              |
|                            |                        _Alexios I KOMNENOS _+
|                            |                       | (1057 - 1118)       
|                            |_Theodora of KOMNENOS _|
|                              (1095 - ....)         |
|                                                    |_Irene of DOUKAS ____+
|                                                      (1066 - 1137)       
|
|--Isaac II ANGELOS 
|  (1156 - 1203)
|                                                     _____________________
|                                                    |                     
|                             _______________________|
|                            |                       |
|                            |                       |_____________________
|                            |                                             
|_Euphrosyne KASTAMONITISSA _|
                             |
                             |                        _____________________
                             |                       |                     
                             |_______________________|
                                                     |
                                                     |_____________________