Lewis Short
Dēiŏtărus (noun M) :
* Tetrarch of Galatia, afterwards king in Armenia Minor and a part of Pontus; a contemporary of Pompey and Caesar, and of Cicero, who made on his behalf a well-known oration, Caes. B. C. 3, 4; Cic. Fam. 9, 12, 2; id. Att. 14, 1, 2; id. Brut. 5, 21; Tac. Dial. 21, 6; Luc. 5, 55.
* Son of the preceding, Cic. Att. 5, 17, 8; id. Phil. 11, 12, 31 sq.
Charlton T. Lewis, Charles Short, A Latin Dictionary