Mithridates of Cius (in Greek Mιθριδάτης or Mιθραδάτης; lived c. 386–-302 BC, ruled 337–.302 BC) succeeded his father Ariobarzanes II in 337 BC as ruler of the Greek town of Cius in Mysia (today part of Turkey).

Diodorus assigns him a rule of thirty-five years, but it appears that he did not hold uninterrupted possession of the sovereignty during that period¹. What circumstances led to his expulsion or subjection we know not; nothing is heard of him till his death in 302, but it appears that he had submitted to the Macedonian Antigonus, who now, to prevent him from joining the league of Cassander and his confederates, procured his assassination in Cius.² According to Lucian³, he was not less than eighty-four years of age at the time of his death, which renders it not improbable that he is the same as the Mithridates, son of Ariobarzanes, who in his youth circumvented and put to death Datames.

References

• Appian, The foreign wars, Horace White (translator), New York, (1899)
  
• Diodorus Siculus, Bibliotheca, C. H. Oldfather (translator), Cambridge - London, (1989)
  
• Højte, Jacob Munte; The Date of the Alliance between Chersonesos and Pharnakes and its implications
  
• Smith, William (editor); Dictionary of Greek and Roman Biography and Mythology, "Mithridates II", Boston, (1867)
  

Notes

• 1 Diodorus, xvi. 90
  
• 2 Appian, "Mithridatic Wars", 9; Diodorus, xx. 111, pag. 456
  
• 3 Lucian, Macrobioi, 13
  

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This article incorporates text from the public domain Dictionary of Greek and Roman Biography and Mythology by William Smith (1867).