_Mithridates II ORONTID _+
                                                    |                         
                          _Mithridates III ORONTID _|
                         |                          |
                         |                          |_________________________
                         |                                                    
 _Antiochus III ORONTID _|
| (.... - 0017)          |
|                        |                           _Artavasdes I ATROPATES _
|                        |                          |                         
|                        |_Iotapa of ATROPATES _____|
|                                                   |
|                                                   |_________________________
|                                                                             
|
|--Antiochus IV ORONTID 
|  (0017 - 0072)
|                                                    _Mithridates II ORONTID _+
|                                                   |                         
|                         _Mithridates III ORONTID _|
|                        |                          |
|                        |                          |_________________________
|                        |                                                    
|_Iotapa of ORONTID _____|
                         |
                         |                           _Artavasdes I ATROPATES _
                         |                          |                         
                         |_Iotapa of ATROPATES _____|
                                                    |
                                                    |_________________________