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GREEK MYTHOSThe Godsunder Codex

PELIAS (mythical king of Iolcus)

Figure of myth · mythical king of Iolcus, and son of Poseidon who sent Jason on the quest for the Golden Fleece

Pelias, mythical king of Iolcus, full-length portrait
Parents
Poseidon, Cretheus, Tyro
Siblings
Neleus
Consorts
Anaxibia, Philomache
Children
Acastus, Alcestis, Amphinome, Antinoe, Peliades, Hippothoe, Pisidice, Pelopeia, Evadne, Asteropeia
Foes
Medea
In the sources
72 ancient passages

Pelias, son of Poseidon and Tyro, was the mighty king of Iolcus, a city situated beneath the hills of Pelion, and also held rule over the Thessalians.1,2,3,4,5,6,7,8,9 He was a brave man, known as a significant breeder of sheep, and his face bore a livid mark caused by a mare's hoof.9,10,11 In his later years, he appeared as a very old man with grey hair and a grey beard, suffering from the infirmities of age.12

Pelias had married Anaxibia, daughter of Bias, though some accounts name his wife as Phylomache, daughter of Amphion.3 Their children included Acastus, Alcestis, Pisidice, Iphidamas, and Eurydamas, with Alcestis considered the most beautiful of his daughters.9,13,3,14,15,16,17,18,5 He was the brother of Neleus and Aeson, the latter being the father of Jason.1,10,19

Trouble began when Pelias received an oracle predicting his death by a man wearing one sandal, a prophecy that left his heart cunning and frozen with fear.5,20,21,22 Fearing that his brother and nephew would attempt to seize the kingdom, he sought to do away with all waiting for the throne.19,23 When Jason arrived, Pelias addressed him as a stranger and asked about his origin and parentage.22 Based on Jason's suggestion, Pelias assigned him the task of retrieving the Golden Fleece from Colchis, a distant eastern location.5,24 He devised this dangerous voyage secretly hoping Jason would die during the expedition, yet he publicly urged the quest and promised to supply everything needed for the journey.20,19,25,26 Pelias sent Jason and the ship Argo from Iolcus, though he prevented Nestor from joining the crew.27,28,29

Medea, described as a bane to the house of Pelias, promised to slay him using cunning.30,23 She demonstrated her magic by turning a boiled ram into a live lamb to convince Pelias of her powers, and he was filled with amazement, regarding her with great approval.31,32 Medea deceived Pelias's daughters into killing their father by promising to restore his youth, instructing them to kill him with swords to drain his old blood.31,33,34 Alcestis refused to participate in the killing, but the other daughters, commanded by Medea for Jason's benefit, carried out the deed.33,35,36 Pelias was dismembered and boiled in a cauldron, and his life could not be restored.4,37,27,38,33

The Mantineans claimed his daughters fled to their city to escape the scandal surrounding his death.39 A funeral games event was held in honor of Pelias, where contests such as a chariot race took place.14,40 Though he had controlled an army and important cities, his end was marked by the cunning of a foreign woman and the betrayal of his own blood.23,30,35,36

The codex facts behind this entry

Pelias was the king of the Thessalians. Argonautica 1 ¶1 +3

In the myths

Medea deceived Pelias's daughters into killing their father by promising to restore his youth. Diodorus 4.51 +6 Pelias assigned Jason the task of retrieving the Golden Fleece from a distant eastern location, specifically Colchis, based on Jason's suggestion. Apollodorus 1.9.16 +6 Pelias promised to supply everything needed for the expedition and urged Jason to undertake the quest. Argonautica 1 ¶106 +2 Pelias was killed by his own daughters, who were commanded by Medea to do so for Jason's benefit. Ovid, Heroides 12.123 +2 Pelias was dismembered and boiled by his daughters on Medea's advice. Apollodorus 1.9.27 +1 Pelias murdered his young brother Promachus, the son left behind by Jason's mother. Apollodorus 1.9.27 +1 Pelias failed to honor Hera with the required sacrificial offerings. Apollodorus 1.9.16 +1 Medea instructed Pelias's daughters to kill him with swords to drain his old blood. Diodorus 4.52 +1 Medea demonstrated her magic by turning a boiled ram into a live lamb to convince Pelias of her powers. Diodorus 4.51 +1 A funeral games event was held in honor of Pelias. Pausanias 5.17.11 +1

Fate

Hera planned for Medea to arrive in Iolcus to bring destruction to Pelias as a penalty for his contempt and outrage against her. Apollodorus 1.9.8 +2 Pelias was expected to face an evil doom and receive punishment for his impious deeds. Argonautica 3 ¶10 +1 Pelias was boiled to death in a cauldron and his life could not be restored. Seneca, Medea act 3 ¶12 +1

Sources

  1. Diodorus 4.68
  2. The Catalogues of Women and Eoiae fr. 13
  3. Apollodorus 1.9.10
  4. Apollodorus 1.9.27
  5. Apollodorus 1.9.16
  6. Argonautica 1 ¶102
  7. Argonautica 1 ¶1
  8. Argonautica 1 ¶43
  9. Argonautica 1 ¶36
  10. Odyssey 11 ¶19
  11. Apollodorus 1.9.8
  12. Ovid Met. 7.159-349 (7)
  13. Euripides, The Trojan Women 1123-1155
  14. Pausanias 5.17.11
  15. Tryphiodorus, The Taking of Ilios ¶8
  16. Apollodorus 1.9.15
  17. Euripides, Alcestis 28-37
  18. Diodorus 4.55
  19. Diodorus 4.40
  20. Argonautica 1 ¶2
  21. Pindar, Pythian 4 ¶12
  22. Pindar, Pythian 4 ¶15
  23. Diodorus 4.50
  24. Apollodorus 1.9.23
  25. Argonautica 1 ¶106
  26. Argonautica 2 ¶52
  27. Seneca, Medea act 3 ¶12
  28. Strabo 9.5.15
  29. Quintus 12 ¶13
  30. Argonautica 4 ¶19
  31. Diodorus 4.51
  32. Pausanias 8.11.2
  33. Diodorus 4.52
  34. Ovid Met. 7.159-349 (8)
  35. Ovid, Heroides 12.123
  36. Seneca, Medea act 2 ¶1
  37. Pausanias 8.11.3
  38. Seneca, Medea act 3 ¶5
  39. Pausanias 8.11.1
  40. Pausanias 5.17.9
Written from the Mythos Codex, and every sentence checked against the facts it cites. From the Mythos Codex: 137 facts, each checked against the ancient passage it comes from, here drawn from Apollodorus, Apollonius of Rhodes, Diodorus of Sicily, Seneca, Medea act, Ovid, Pausanias. Updated 29 October 2026.

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