The Collaborative International Dictionary of English v.0.48:
Peleus \Peleus\ prop. n. (Classical Mythology) A king of the Myrmidons and father of Achilles; he was the son of Aeachus. [WordNet 1.5]WordNet (r) 3.0 (2006):
Peleus n 1: a king of the Myrmidons and father of Achilles