Magistrate attested in Apollonia Pontica 425-339 BC. See F. M. Fraser / E. Matthews, A Lexicon of Greek Personal Names. Vol.
IV Macedonia. Thrace. Northern Regions of the Black Sea (2005), p. 99 s.v. ΔΙΟΓΕΝΗΣ 3 c. BC; E. Paunov, The tetradrachm coinage
of Apollonia Pontica: Iconography, issues and magistrates, in: D. Boteva (ed.), Ex Nummis Lux: Studies in Honour of Dimitar
Draganov (2017), 59-87, p. 66 n. 6, p. 77 issue 30 (ΔΙΟΓΕΝΗΣ).