(Ἀρεταφίλα), of Cyrene, lived at the time of the Mithridatic war. Nieocrates, the tyrant of Cyrene, killed her husband, Phaedimus, and compelled her to live with him; but she at length delivered the city from tyranny by procuring the murder of Nicocrates, and subsequently of his brother Leander, when he acted in the same tyrannical manner. (Plut. de Mul. virt. p. 255, &c.)
A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890