Theon
7. Of Sidon, a son of the sophist Gymnasius, and himself a sophist, taught in his native city, under Constantine the Great, who conferred upon him the dignities of consul and praefect. (Suid. s. v.)
From William Smith (ed.), Dictionary of Greek and Roman Biography and Mythology. Text provided under a CC BY-SA license by Perseus Digital Library, http://www.perseus.tufts.edu, with funding from the National Endowment for the Humanities and Tufts University. Data accessed from https://github.com/PerseusDL/canonical-pdlrefwk/ on 17 October 2026.