Eusthenius, Claudius
secretary (ob epistolis) to Diocletian, wrote the lives of Diocletian, Maximianus Herculius, Galerius and Constantius. assigning to each a separate book. Vopisc. Carin. 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.