3. One of the thirty tyrants (A. D. 259-268) was compelled by the troops in Egypt to assume the purple. He took the surname of Alexander or Alexandrinus. Gallienus sent Theodotus against him, by whom he was taken and sent prisoner to Gallienus. Aemilianus was strangled in prison. (Trebell. Poll. Trig. Tyr. 22, Gallien. 4, 5.)