From BiblePortal Wikipedia

The Nuttall Encyclopedia [1]

An Athenian who, having proposed that the city should confer a crown of gold on Demosthenes, was accused by Æschines of violating the law in so doing, but was acquitted after an eloquent oration by Demosthenes in his defence.

Cyclopedia of Biblical, Theological and Ecclesiastical Literature [2]

a Roman (probably) to whom St. Jerome writes from Bethlehem. (Epist. 133, ed. Vall.) on the question of Pelagianism, on:which Ctesiphon had written to ask his opinion.