Jason, in Greek mythology, leader of the Argonauts and son of Aeson, king of Iolcos in Thessaly. His father's half-brother Pelias seized Iolcos, and thus for safety Jason was sent away to the Centaur Chiron.
Jason was an ancient Greek mythological hero and leader of the Argonauts, whose quest for the Golden Fleece featured in Greek literature. He was the son of Aeson, the rightful king of Iolcos. He was married to the sorceress Medea.
