_Antiochus II Theos SELEUCID _+
                                                                |                              
                              _Seleucus II Callinicus SELEUCID _|
                             |                                  |
                             |                                  |_Laodice I of SELEUCID _______+
                             |                                                                 
 _Antiochus III SELEUCID ____|
|                            |
|                            |                                   _Achaeus SELEUCID ____________+
|                            |                                  |                              
|                            |_Laodice II of SELEUCID __________|
|                                                               |
|                                                               |______________________________
|                                                                                              
|
|--Antiochus SELEUCID 
|  
|                                                                _Ariobarzanes MITHRIDATE _____+
|                                                               |                              
|                             _Mithridates II MITHRIDATE _______|
|                            |                                  |
|                            |                                  |______________________________
|                            |                                                                 
|_Laodice III of MITHRIDATE _|
                             |
                             |                                   _Antiochus II Theos SELEUCID _+
                             |                                  |                              
                             |_Laodice of SELEUCID _____________|
                                                                |
                                                                |_Laodice I of SELEUCID _______+