(Θησεύς), a Greek historian of unknown date, wrote the lives of illustrious men (βίοι ἐνδόξων) in five books, and a work on Corinth (Κοριιθιακά) in three books, in which he gave an account of the establishment of the Isthmian games. (Suidas, s.v. Etymol. M. s. v. ̓́αρνη ; Stobaeus, Floril. 7.67, 70; Schol. ad Lycophr. 644.)
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