Simmias
3. An officer in the service of Ptolemy III. (Euergetes), king of Egypt, who was sent by him to explore the shores of the Red Sea and the coasts of Ethiopia. Much of the information recorded by Agatharchides was derived from his authority. (Diod. 3.18.)
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.