Peleus (, "Pēleus") was one of the early Greek heroes. Peleus was the son of Aeacus, king of the island of Aegina, and Endeïs, the nymph of Mount Pelion. Alongside his brother Telamon, he joined the hero Jason as one of the Argonauts on the quest to find the Golden Fleece. He was the husband of the Nereid Thetis, by whom he is the father of Achilles. 