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 _Prusias I BITHYNIA _____|
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|--Prusias II BITHYNIA 
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|                                                              _Antigonus II Gonatas ANTIGONID _+
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|                          _Demetrius II Aetolicus ANTIGONID _|
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|                         |                                   |_Phila of SELEUCID ______________+
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|_Apama III of ANTIGONID _|
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                          |                                    _Antiochus I Soter SELEUCID _____+
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                          |_Stratonice II SELEUCID ___________|
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                                                              |_Stratonice of ANTIGONID ________+