Īlĭŏna, ae, and Īlĭŏnē, ēs, f., = Ἰλιόνη,
the eldest daughter of Priam , the wife of Polymnestor , a king in Thrace , Verg. A. 1, 653 Serv.; Hyg. Fab. 109; 240; 243; Cic. Ac. 2, 27, 88.— The title of a tragedy by Pacuvius , Hor. S. 2, 3, 61; cf. Cic. Tusc. 1, 44, 106; and see the fragments, Trag. Rel. p. 100 sq. Rib.