_FNU KANTAKOUZENOS __+
                                                          |                     
                          _Michael KANTAKOUZENOS _________|
                         | (.... - 1316)                  |
                         |                                |_____________________
                         |                                                      
 _John VI KANTAKOUZENOS _|
| (1292 - 1383)          |
|                        |                                 _____________________
|                        |                                |                     
|                        |_Theodora Palaiologin ANGELINA _|
|                                                         |
|                                                         |_____________________
|                                                                               
|
|--Helena of KANTAKOUZENOS 
|  (1333 - 1396)
|                                                          _Ivan III ASEN ______+
|                                                         | (1259 - 1303)       
|                         _Andronikos ASEN _______________|
|                        | (.... - 1322)                  |
|                        |                                |_Irene PALAIOLOGOS __+
|                        |                                  (1256 - 1328)       
|_Irene of ASEN _________|
  (.... - 1354)          |
                         |                                 _____________________
                         |                                |                     
                         |_FNU of TARCHANEIOTES __________|
                                                          |
                                                          |_____________________