(Ancient Greek: Μάγνης) was a Thessalian prince who later on became the eponymous first king of Magnesia.
[1][2] In the Bibliotheca, Magnes was placed in the later generation of the Deucalionides, for this time he was the son of Aeolus and Enarete and brother to Aeolian progenitors: Cretheus, Sisyphus, Athamas, Salmoneus, Deion, Perieres, Canace, Alcyone, Pisidice, Calyce and Perimede.
Polydectes became king of the island while his brother Dictys, a fisherman would later receive Danae and her son Perseus.
[5] The scholiast of Euripides called Magnes' wife as Philodice and his sons, Eurynomus and Eioneus.
[6] Otherwise, Eustathius named his wife as a certain Meliboea and mentioned one son, Alector, and added that Magnes called the town of Meliboea at the foot of mount Pelion after his wife and the country of Magnesia after his own name.