Jason (Greek: Ἰάσων, Etruscan: Easun, Laz: Yason) was a late ancient Greek mythological figure, famous as the leader of the Argonauts and their quest for the Golden Fleece. He was the son of Aeson, the rightful king of Iolcus. He was married to the sorceress Medea.

Jason is considered to be one of the heroes of Greek mythology, along with such others as Herakles and Odysseus.

Jason appeared in various literature in the classical world of Greece and Rome, including the epic poem Argonautica and tragedian play, Medea. In the modern world, Jason has emerged as a character in various adaptations of his myths, such as the film Jason and the Argonauts.

Jason has connections outside of the classical world, as he is seen as being the mythical founder of the city of Ljubljana, the capital of Slovenia.

The Early Years

Many years later, Pelias was holding games in honour of the sea god and his alleged father, Poseidon, when Jason arrived in Iolcus and lost one of his sandals in the river Anauros ("wintry Anauros"), while helping an old woman (the Goddess Hera in disguise), to cross. She blessed him for she knew, as goddesses do, what Pelias had up his sleeve. When Jason entered Iolcus (modern-day city of Volos), he was announced as a man wearing one sandal. Jason, knowing that he was the rightful king, told Pelias that and Pelias said, "To take my throne, which you shall, you must go on a quest to find the Golden Fleece." Jason happily accepted the quest.

The Quest for the Golden Fleece

Jason assembled a great group of heroes, known as the Argonauts after their ship, the Argo. The group of heroes included the Boreads (sons of Boreas, the North Wind) who could fly, Heracles, Philoctetes, Peleus, Telamon, Orpheus, Castor and Pollux, Atalanta, and Euphemus.

The Isle of Lemnos

The isle of Lemnos is situated off the Western coast of Asia Minor (modern day Turkey). The island was inhabited by a race of women who had killed their husbands. The women had neglected their worship of Aphrodite, and as a punishment the goddess made the women so foul in stench that their husbands couldn't bear to be near them. The men then took concubines from the Thracian mainland opposite, and the spurned women, angry at Aphrodite, killed every male inhabitant while they slept. The king, Thoas, was saved by Hypsipyle, his daughter, who put him out to sea sealed in a chest from which he was later rescued. The women of Lemnos lived for a while without men, with Hypsipyle as their queen.

During the visit of the Argonauts the women mingled with the men creating a new "race" called Minyae. Jason fathered twins with the queen. Heracles pressured them to leave as he was disgusted by the antics of the Argonauts. He hadn't taken part, which is truly unusual considering the numerous affairs he had with other women. In "Hercules, My Shipmate" Robert Graves claims that Heracles fathered more children than anyone else of the crew.