_Constantine ANGELOS __
                                                   | (1093 - 1166)         
                       _Andronikos ANGELOS ________|
                      | (1133 - ....)              |
                      |                            |_Theodora of KOMNENOS _+
                      |                              (1095 - ....)         
 _Isaac II ANGELOS ___|
| (1156 - 1203)       |
|                     |                             _______________________
|                     |                            |                       
|                     |_Euphrosyne KASTAMONITISSA _|
|                                                  |
|                                                  |_______________________
|                                                                          
|
|--Alexios IV ANGELOS 
|  (1182 - 1203)
|                                                   _______________________
|                                                  |                       
|                      ____________________________|
|                     |                            |
|                     |                            |_______________________
|                     |                                                    
|_Irene of UNKNOWN ___|
                      |
                      |                             _______________________
                      |                            |                       
                      |____________________________|
                                                   |
                                                   |_______________________