Orestes (ōrĕstˈēz) [key], d. 476, Roman general. With the help of barbarians he deposed (475) the Roman emperor of the West, Julius Nepos, and raised his own son, Romulus Augustulus, to the throne. The next year the barbarians under Odoacer revolted; Orestes was killed at Piacenza, and his son was deposed.
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