Diognetus
Διόγνητος
(Διόγνητος).
1. Admiral of Antiochus the Great, was commissioned, in B. C. 222, to convey to Seleuceia, or the Tigris, Laodice. the intended wife of Antiochus and daughter of Mithridates IV., king of Pontus. (Plb. 5.43; comp. Clinton, F. H. iii. pp. 315, 424.) He commanded the fleet of Antiochus in his war with Ptolemy IV. (Philopator) for the possession of Coele-Syria, and did him good and effectual service. (Plb. 5.59 60, 62, 68-70.)
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.