Nume'nius (Νουμήνιος), son of Antiochus, was sent by Jonathan on an embassy to Rome (1 Macc. 12:16) and Sparta (12:17) to renew the friendly connections between these nations and the Jews, B.C. cir. 144. It appears that he had not returned from his mission at the death of Jonathan (14:22, 23). He was again despatched to Rome by Simon, B.C. cir. 141 (14:24), where he was well received, and obtained letters in favor of his countrymen, addressed to the various Eastern powers dependent on the republic, 'B.C. 139 (15:15 sq.). See Lucius.