Darius may refer to: Persian royalty. Kings of the Achaemenid Empire. Darius I (the Great, 550 to 487 BC) Darius II (423 to 404 BC) Darius III (Codomannus, 380 to 330 BC) Crown princes. Darius (son of Xerxes I), crown prince of Persia, may have ruled briefly in 465 BC. Darius, son of Artaxerxes II, crown prince and junior king of his father, father of Arbupales. Kings, princes, and politicians. Darius (praetorian prefect), Praetorian prefect of the East in 436 to 437 AD. Darius I of Media Atropatene. Darius II of Persis. Darius the Mede. Darius of Pontus.
https://en.wikipedia.org/wiki/Darius