METIS was a Naiad Nymph of the river Meles near Smyrna in Lydia, Anatolia (modern Turkey). She was the mother of the poet Homer by Maion.

"Foremost of the men of Smyrna who say that he [Homer] was the Son of Meles, the river of their town, by a Nymphe Kretheis, and that he was at first called Melesigenes As to his parents also, there is on all hands great disagreement. Hellanikos and Kleanthes say his father was Maion, but Eugaion says Meles; Kallikles is for Mnesagoras, Demokritos of Troizenos for Daimon, a merchant-trader. Some, again, say he was the son of Thamyras, but the Egyptians say of Menemakhos, a priest-scribe, and there are even those who father him on Telemakhos, the son of Odysseus. As for his mother, she is variously called Metis, Kretheis, Themista, and Eugnetho. Others say she was an Ithakan woman sold as a slave by the Phoinikians; other, Kalliope the Mousa; others again Polykasta, the daughter of Nestor ... Maion who was the father of Homer by the daughter of the river Meles." - Homerica, Of the Origin of Homer & Hesiod and of their Contest 1

Sources:

• Homerica, Contest of Homer & Hesiod - Greek Epic BC