(Surnamed Theos (Theos), or, according to coins, Dionysus Epiphanes): Was the son of, who claimed to be the son of . Alexander left the throne to his son in 146 BC. The young king retired to Arabia--perhaps through compulsion. The shrewd diplomatist and skillful general, Tryphon, succeeded first in winning over to his side the two leaders of the Jews, Jonathan and Simon, and then, by force of arms, in making the Syrians recognize his protege. As soon as the monarchy had been firmly established, Tryphon unmasked his projects: he had been ambitious only for himself; Antiochus had been only an instrument in his hands. In 143; after a reign of a little more than three years, Antiochus was assassinated by Tryphon, who ascended the throne himself (1 Macc 13:31; Ant, XIII, vii, 1; Livy Epit. 55).