_Mithridates I MITHRIDATE ___+
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                              _Ariobarzanes MITHRIDATE _____|
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                             |                              |_____________________________
                             |                                                            
 _Mithridates II MITHRIDATE _|
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|--Laodice of MITHRIDATE 
|  
|                                                            _Antiochus I Soter SELEUCID _+
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|                             _Antiochus II Theos SELEUCID _|
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|                            |                              |_Stratonice of ANTIGONID ____+
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|_Laodice of SELEUCID _______|
                             |
                             |                               _Achaeus SELEUCID ___________+
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                             |_Laodice I of SELEUCID _______|
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                                                            |_____________________________