3. Of Seleuceia in Cilicia, a Peripatetic philosopher and grammarian. in the time of Strabo, who heard him. Xenarchus left home early, and devoted himself to the profession of teaching. first at Alexandria, afterwards at Athens, and last at Rome, where he enjoyed the friendship of Areius, and afterwards of Augustus; and he was still living, in old age and honour, when Strabo wrote. (Strab. xiv. p.670.) He is also mentioned by Simplicius (de Caclo, 1), and by Alexander Aphrodisiensis (de Anim. p. 154; Fabric. Bibl. Graec. vol. iii. p. 510; Clinton, F. H. vol. iii. p. 554).
[P.S]A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890