The legend of Perseus is among the oldest and most influential of the Greek hero myths. The Greek tragedians treated it as a foundational story of the Argive royal house, and the city of Mycenae was in classical times the site of Perseus’s supposed tomb. Perseus’s deeds — the beheading of the Gorgon Medusa, the rescue of Andromeda, the founding of Mycenae — became the standard adventure cycle for the Greek hero and supplied archetypes (the divinely armed quester, the monster-slayer, the saved princess) that recur across later European romance.
What distinguishes Perseus is the way his story combines the cosmic, the heroic, and the romantic. The quest for Medusa takes him to the very edge of the world, into the company of the Graeae, the Gorgons, and the nymphs of the North. The rescue of Andromeda gives him a bride and a kingdom. The unwitting death of his grandfather Acrisius completes the prophecy that set him on his journey. Few other Greek heroes have a legend whose every element interlocks so neatly.
The Miraculous Conception
Perseus was the son of Zeus and Danaë, daughter of King Acrisius of Argos. An oracle had warned Acrisius that he would die by the hand of his daughter’s son, and Acrisius, in his fear, locked Danaë in a bronze chamber, denying her the company of any man. Zeus, however, came to her in the form of a shower of golden rain, slipping through the roof of the chamber and making her pregnant.
When the child was born — a boy, Perseus — Acrisius was enraged. He could not kill the child directly (he was afraid of Zeus’s wrath), so he placed Danaë and the infant Perseus in a wooden chest, sealed it, and set it adrift in the sea. The chest drifted for days, finally washing ashore on the island of Seriphos, one of the Cyclades. There it was found by a fisherman named Dictys, brother of King Polydectes of Seriphos. Dictys took pity on mother and child and raised Perseus as his own.
The Quest for Medusa
Perseus grew to manhood on Seriphos, a beautiful youth, the son of Zeus but unaware of his divine parentage. King Polydectes fell in love with Danaë and wished to marry her; but she refused, and Perseus protected her from the king’s advances. Polydectes, looking for a way to be rid of the son, devised a plan. He announced a great feast and called on all the young men of the island to bring a gift. Perseus, having nothing, rashly offered to bring the king anything in the world. Polydectes asked for the head of Medusa.
Medusa was one of the three Gorgons — monstrous sisters who lived at the far western edge of the world, beyond the Ocean. Of the three — Stheno, Euryale, and Medusa — only Medusa was mortal, and only she had the power to turn those who looked at her into stone. The other two were immortal, and Perseus was later said to have owed his survival to that fact. The full story of Medusa and her beheading is told in the related article on How Perseus Slew Medusa.
The gods, looking after the son of Zeus, gave Perseus the equipment he would need. Athena lent him a polished bronze shield, a kind of mirror in which to see Medusa without meeting her gaze. Hermes gave him winged sandals, a kibisis (a magical bag that could hold the head without losing its power), and the cap of invisibility, borrowed from Hades, which would make him invisible to other creatures. With these divine tools, Perseus set out.
The rest of the quest — the Graeae who told him the way to the nymphs, the nymphs who gave him the cap and bag, the approach to the Gorgons, the use of the polished shield, the beheading, the escape from the immortal sisters, the use of the cap of invisibility — is told in detail in the article linked above.
The Rescue of Andromeda
On his return journey to Seriphos, Perseus came to the kingdom of Aethiopia (in some versions, the land of the Philistines). There he saw a beautiful young woman chained to a rock by the sea, naked except for a few ornaments, and weeping. The woman was Andromeda, daughter of King Cepheus and Queen Cassiopeia.
Cassiopeia had boasted that her daughter was more beautiful than the Nereids, the sea-nymphs. Poseidon, angry at the insult to his daughters, sent a sea monster — variously called Cetus or Leviathan, sometimes depicted as a sea-serpent, sometimes as a whale or a dragon — to ravage the kingdom. An oracle declared that the only way to appease Poseidon was to chain Andromeda to a rock as a sacrifice to the monster.
Perseus fell in love with Andromeda on sight. He sought out Cepheus and offered to kill the monster in exchange for Andromeda’s hand. Cepheus and Cassiopeia agreed. Perseus slew Cetus — with the sword of harpe that Hermes had given him, or, in some versions, by using the still-living head of Medusa to turn the monster to stone. He freed Andromeda and married her.
The wedding, however, was disrupted. Cepheus had previously betrothed Andromeda to his brother Phineus, who now claimed her back. Phineus and his followers attacked the wedding feast. Perseus, outnumbered, used the Medusa head again, turning his enemies to stone. The stone images of Phineus and his allies were said in later legend to exist in the lands of the Levant.
Perseus and Andromeda set sail for Seriphos, taking with them a small retinue and the head of Medusa.
The Return to Seriphos and the Death of Acrisius
Perseus found his mother Danaë and his foster-father Dictys in terror of Polydectes, who had grown impatient. Perseus went to the king’s hall and refused to be searched; when Polydectes and his men came at him, Perseus held up the head of Medusa, and the king and his entire court were turned to stone. Perseus installed Dictys as king of Seriphos.
He then went back to the mainland, taking Danaë and Andromeda to Argos, the city of his grandfather Acrisius. Acrisius, however, had fled, fearing the very prophecy that he had set in motion. Perseus tracked him down to Larissa in Thessaly, but did not harm him. By chance, Perseus took part in the funeral games of the local king. While throwing the discus, his throw went wide and struck Acrisius in the foot, killing him. The prophecy was fulfilled in the most accidental way possible.
Perseus, heartbroken at the unintentional parricide, refused to return to Argos. He exchanged kingdoms with his cousin Megapenthes, taking over Tiryns (and, in some traditions, founding Mycenae). He gave the rest of his life to ruling wisely, and at his death was honored as a founding hero of the Argive kingdom.
The Head of Medusa: Athena’s Aegis
Before his death, Perseus returned the divine gifts to the gods. He gave the winged sandals and the cap of invisibility back to Hermes, the kibisis to the nymphs, and — most famously — gave the severed head of Medusa to Athena, who fixed it on her breastplate, the Aegis, where it served forever afterward as a divine weapon. The sight of the head turned the enemies of the goddess to stone.
The same Medusa head, used in this way, is said to have killed the giant Asterius during the Gigantomachy. It became the central object in a flourishing artistic tradition: the Gorgoneion, the round face of the Gorgon, was painted on shields, temple walls, and coins, serving the same apotropaic function as the Eye of Horus in Egyptian art.
Children and Posterity
With Andromeda, Perseus had several children, the most famous of whom were Perses, ancestor of the Persians, and Electryon, grandfather of Alcmene and great-grandfather of Heracles. The line of Perseus thus leads, by way of his mother Andromeda, into the royal family of Thebes, and — most importantly — to the divine son of Zeus and Alcmene, the greatest of all Greek heroes. The Perseid dynasty of Argos, Mycenae, and Tiryns was, in the Greek genealogies, the most prestigious of all the heroic houses.
Symbolism and Cultural Influence
Perseus was the model for the Greek questing hero: a mortal who, with the help of the gods, defeats a monster that threatens the world. The pattern of his quest — the divine equipment, the journey to the edge of the world, the use of cunning rather than brute strength, the rescue of a princess — recurs in countless later stories, from Bellerophon to Saint George to Luke Skywalker.
His confrontation with Medusa has been a favorite subject in Western art from the sixth century BCE to the present. The Medusa of Caravaggio and the Perseus of Canova and Cellini are among the most famous sculptures and paintings in the European tradition. The “feminine monster” motif that Medusa embodies — the beautiful woman whose gaze is deadly — has been read in many ways: as a warning about the danger of sexuality, as a metaphor for the threatening Other, or, more recently, as a symbol of female rage at injustice.
Last reviewed: June 2026.