Caepias
was, according to Dio Cassius (45.1), the surname of C. Octavius, afterwards the emperor Augustus. This cognomen, however, is not mentioned by any other writer, nor even by Dio Cassius himself in any other passage.
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.