_Xerxes ORONTID ________+
                                             |                        
                        _Zariadres ORONTID __|
                       |                     |
                       |                     |_Antiochis of SELEUCID _+
                       |                                              
 _Artaxias I ARTAXIAD _|
|                      |
|                      |                      ________________________
|                      |                     |                        
|                      |_____________________|
|                                            |
|                                            |________________________
|                                                                     
|
|--Artavasdes I ARTAXIAD 
|  
|                                             ________________________
|                                            |                        
|                       _____________________|
|                      |                     |
|                      |                     |________________________
|                      |                                              
|______________________|
                       |
                       |                      ________________________
                       |                     |                        
                       |_____________________|
                                             |
                                             |________________________