Cyrus the Younger (Old Persian: 𐎤𐎢𐎽𐎢𐏁 Kūruš; Greek: Κῦρος Kyros; died 401 BC) was an Achaemenid prince and general. He ruled as satrap of Lydia and Ionia from 408 to 401 BC. Son of Darius II and Parysatis, he died in 401 BC in battle during a failed attempt to oust his elder brother, Artaxerxes II, from the Persian throne.