Tags: Mythological Figure.
In Greek mythology Megareus of Onchestus was king of Onchestus in Boeotia. He was either son of Poseidon and Oenope daughter of Epopeus or of Onchestus (eponym of their kingdom) or of Apollo or of Aegeus or of Hippomenes. He came with his army to the assistance of Nisos husband of his sister Abrota against Minos.