Son of Holophernes, fled into Armenia after the death of Ariarathes I.
After the death of Eumenes, B. C. 315, he recovered Cappadocia with the assistance of Ardoates, the Armenian king, and killed Amyntas, the Macedonian governor.
He was succeeded by Ariamnes II., the eldest of his three sons. (Diod. xxxi. Ecl.