[2280151.ged] Ruled 67 BC, King of Media Atropatene Event: Ruled 57 - 54 BC, King of Parthia (Pretender) 1 Note: Mithradates III murdered his father Phraates about 57 B.C., with the assistance of his brother Orodes. He was made king of Media and waged war against his brother, but was soon deposed on account of his cruelty. He took refuge with Gabinius, the Roman proconsul of Syria. He advanced into Mesopotamia, but was beaten at Seleucia by Surenas, fled into Babylon and after a long siege was taken prisoner and killed in 54 by his brother Orodes I.