_Andronikos DOUKAS __
                                            | (.... - 0910)       
                       _John DOUKAS ________|
                      | (.... - 1088)       |
                      |                     |_____________________
                      |                                           
 _Andronikos DOUKAS __|
| (.... - 1077)       |
|                     |                      _____________________
|                     |                     |                     
|                     |_Irene PREGONITISSA _|
|                                           |
|                                           |_____________________
|                                                                 
|
|--Michael DOUKAS 
|  (1061 - 1117)
|                                            _____________________
|                                           |                     
|                      _Troian COMETOPULI __|
|                     |                     |
|                     |                     |_____________________
|                     |                                           
|_Maria COMETOPULI ___|
  (.... - 1095)       |
                      |                      _____________________
                      |                     |                     
                      |_____________________|
                                            |
                                            |_____________________