Since Seleucus' legitimate heir, Demetrius I Soter, was still a hostage in Rome, Antiochus, with the help of King Eumenes II of Pergamum, seized the throne for himself, proclaiming himself co-regent for another son of Seleucus, an infant named Antiochus (whom he then murdered a few years later).
Antiochus IV Epiphanes (c. 215–164 BC), ruler of the Hellenistic Seleucid Empire
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Gaius Julius Antiochus IV Epiphanes (aka Antiochus IV Epiphanes or Antiochus IV of Commagene), the last king of Commagene who reigned between 38-72.
Antiochus III the Great | Antiochus IV of Commagene | Antiochus I Soter | Antiochus Hierax | Ptolemy V Epiphanes | Antiochus I Theos of Commagene | Antiochus VIII Grypus | Antiochus Theos | Antiochus II Theos | Antiochus | Antiochus IV Epiphanes | Antiochus (disambiguation) | ''Antiochus and Stratonice'', Gerard de Lairesse |