Magistrate attested in Apollonia Pontica. The same name also appears in Abdera. See W. Leschhorn, Lexikon der Aufschriften
auf griechischen Münzen II (2009) p. 779 s. v. ΠΡΩΝΑΞ.; 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. 67 n.
8, p. 73 issue 15 ([Δ]ΗΜΟΝΑ[Ξ] I?), p. 74 issue 22 ([Δ]ΗΜΟΝΑΞ II), as Demonax. cp. F. M. Fraser / E. Matthews, A Lexicon of
Greek Personal Names. Vol. IV Macedonia. Thrace. Northern Regions of the Black Sea (2005), p. 95 s.v. ΔΗΜΟΝΑΞ 4 c. BC (inscription).