1. A son of Phraates IV., was made king of Parthia by Tiberius, in opposition to Artabanus III. (Arsaces XIX.), but was carried off by a disease soon after his arrival in Syria, in consequence of his discontinuing the Roman habit of living, to which he had been accustomed for so many years, and adopting that of the Parthians. (Tac. Ann. 6.31, 32; D. C. 58.26.) [ARSACES XIX.