On Mount Pelion, Chiron raised a generation of Greek heroes — Achilles, Asclepius, Jason, Patroclus, Peleus, Actaeon, and Aristaeus — teaching each according to their destiny: medicine, warfare, hunting, and the arts.
Jason became Hypsipyle's lover during the Argonauts' stay on Lemnos. Their union produced twin sons, Euneus and Nebrophonus, before Jason resumed the voyage to Colchis.
Jason married Medea after she betrayed her father Aeetes to help him win the Golden Fleece. They had two sons in Corinth — Mermeros and Pheres — before Jason abandoned her for Princess Glauce, provoking Medea to murder their children.
Aeson and Alcimede were the parents of Jason. To protect their son from the usurper Pelias, they staged his death and secretly sent him to be raised by Chiron on Mount Pelion.
⚠ Apollodorus names Jason's mother as Polymede; Apollonius Rhodius and other sources call her Alcimede.
Jason abandoned Medea to marry Glauce, princess of Corinth. Their betrothal provoked Medea's revenge — she killed Glauce with a poisoned robe before the marriage could produce children.
Heracles sailed with Jason as the mightiest of the Argonauts. He departed the quest early when his companion Hylas was abducted by water nymphs on the coast of Mysia.
Medea's sorcery was essential to Jason's success in Colchis. She gave him a fire-proof ointment, told him how to defeat the earth-born warriors, and drugged the dragon guarding the Golden Fleece.
Hera favored Jason and protected him throughout the voyage of the Argo, having tested his character when he carried her disguised as an old woman across a flooded river.
Acastus expelled Jason from Iolcus after Medea murdered his father Pelias. Despite having sailed together as Argonauts, the killing of Pelias made them bitter enemies.
Aeetes set Jason three deadly trials to prevent him from taking the Golden Fleece: yoking fire-breathing bulls, defeating earth-born warriors, and facing the sleepless dragon.
Pelias usurped the throne of Iolcus from Jason's father Aeson. When Jason arrived to claim his birthright, Pelias sent him on the quest for the Golden Fleece, expecting him to perish.
Jason ambushed and killed Absyrtus on a sacred island after Medea lured her brother into a trap. He ritually mutilated the body to avert blood-guilt, but the murder haunted the couple's return voyage.
⚠ In Apollodorus's version, Medea herself kills and dismembers Absyrtus as a child aboard the Argo; Apollonius has Jason ambush the adult Absyrtus on a Colchian island.
Jason led the Argonauts as captain of the Argo on the quest for the Golden Fleece. He organized the expedition, performed the tasks set by Aeetes, and seized the fleece with Medea's aid.
When Jason and Medea fled Colchis after murdering Medea's brother Absyrtus, they sought purification from Circe. She performed the ritual but ordered them away, horrified by their crime.
Medea's grandfather Helios sent his dragon-drawn chariot to rescue her from Corinth after she killed Glauce, Creon, and her own sons. She escaped beyond Jason's reach, protected by her divine ancestry.
Jason fled to Corinth with Medea after Pelias's murder, settling there for ten years. When he abandoned Medea for Princess Glauce, the resulting tragedy destroyed both families and ended Jason's glory.
Jason's father Aeson was imprisoned by the usurper Pelias. When Jason returned with the Golden Fleece, Medea rejuvenated the aged Aeson with her magic, boiling herbs in a cauldron and restoring his youth.
⚠ The rejuvenation of Aeson is attested in Ovid's Metamorphoses 7.162-293 and Apollodorus 1.9.27, but some traditions have Aeson dying before Jason's return.
Jason captained the Argo on its voyage to Colchis to retrieve the Golden Fleece. The ship was built at his commission, and he was ultimately killed by a falling timber from its rotting hull in old age.
Jason participated in the Calydonian Boar Hunt, joining the assembly of heroes that also included many who would later sail with him on the Argo.
The Colchian Dragon, offspring of Typhon and Echidna, guarded the Golden Fleece in the grove of Ares at Colchis. Jason seized the fleece after Medea's sorcery put the sleepless dragon to sleep.
Jason sailed to Colchis to claim the Golden Fleece. He completed King Aeetes's impossible tasks — yoking fire-breathing bulls and sowing dragon's teeth — before seizing the fleece and fleeing with Medea.
Jason led the Argonauts to Colchis to retrieve the Golden Fleece from King Aeetes. With Medea's sorcery he drugged the sleepless dragon, seized the fleece, and returned to Greece.
Jason's quest for the Golden Fleece was undertaken to reclaim the treasure that Phrixus had brought to Colchis generations earlier. In Apollonius's Argonautica, the ghost of Phrixus appeared to Jason's uncle Pelias demanding the fleece's return.
Zeus punished Jason for breaking his oath to Medea. The hero who had assembled the greatest crew in Greek myth died alone beneath the rotting hull of the Argo, crushed by a falling beam.
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