Lewis Short
Antĭŏpa (noun F) : Ἀντιόπη.
* A daughter of Nycteus, wife of Lycus, king of Thebes, mother of Amphion and Zethus. She was bound to the neck of a bull by Dirce, whom Lycus had married, but was released by her sons, Hyg. Fab. 7.
* The name of a tragedy of Pacuvius, Cic. Fin. 1, 2, 4; Pers. 1, 77.
Charlton T. Lewis, Charles Short, A Latin Dictionary