In Greek mythology, Manto (Μαντώ) was
A daughter of Tiresias
Manto was the daughter of Tiresias and mother of Mopsus. During the War of the Epigonoi, Manto was brought to Delphi as a war prize. Apollo sent her to Colophon to found an oracle devoted to him. She married Rhacius and gave birth to Mopsus. Alternatively, she went to Italy and gave birth to Ocnus (father: Tiberinus), who founded Mantua (cur: Mantova) and named it after her.
Alternatively, Mantua was named after a different Manto, a daughter of Heracles. In his didactic Latin poem Manto written in the 1480s, the Italian poet and humanist Poliziano combines the goddesses of Revenge and Fate— Nemesis and Fortuna— to introduce the works of Vergil. Poliziano collected it with three others as Silvae ("woodlands"), a title he took from the Roman poet Statius, used the poems as prologues to his courses of study in Florence; in 1516 they received a French edition  (http://www.nottingham.ac.uk/hispanic/research/alejapol.html). As regards the contents of each poem, Ambra and Manto are general introductions to Homer and Virgil; Rusticus constitutes a georgic treatise modelled upon Virgil’s Georgics and Hesiod’s Works and Days, whereas Nutricia is a summary of Classical poetry.
Virgil X, 199
When Thebes was taken by Thersander, the son of Polyneices, and the Argives, among the prisoners brought to Apollo at Delphi was Manto. Her father Teiresias had died on the way, in Haliartia, and when the god had sent them out to found a colony, they crossed in ships to Asia, but as they came to Clarus, the Cretans came against them armed and carried them away to Rhacius. But he, learning from Manto who they were and why they were come, took Manto to wife, and allowed the people with her to inhabit the land. Mopsus, the son of Rhacius and of Manto, drove the Carians from the country altogether
Manto, daughter of Polyidus
Beside the entrance to the sanctuary of Dionysus is the grave of Astycratea and Manto. They were daughters of Polyidus, son of Coeranus, son of Abas, son of Melampus, who came to Megara to purify
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