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GREEK MYTHOSThe Godsunder Codex

ALCATHOUS, SON OF PORTHAON (son of Porthaon)

Figure of myth · Greek mythical character, son of Porthaon

Alcathous, son of Porthaon, son of Porthaon, full-length portrait
Parents
Porthaon, Euryte
In the sources
12 ancient passages

Alcathous, son of Porthaon and Euryte, spent a long time living as a poor fisherman.1,2,3 He was the brother of Oeneus and Sterope, and his family connections extended to the shores of Carystus where he had a home, wife, and children.1,3 His descendants included Automedusa and Eriboea, the latter of whom was from Athens.4,5

Oenomaus killed him for this suit, making Alcathus the second person slain by the king after Marmax.6,7 Some accounts blame him for harming racers on the course, while others note he received a portion of earth at an empty mound.2

In the chaos of war, warriors fought over his corpse, and Diomedes was destined to slay him while scaling a wall.8,9 In one account, Achilles pierced Alcathus through the jaw with his spear, the head exiting through his ear, and cut out his tongue.10 He died gasping for breath after being struck, while in another tradition, he killed Lycoreus with a stone before Caedicus ended his life.10,3,11 The athletic games in the Isthmian region bear his name, honoring his memory.12

The codex facts behind this entry

In the myths

Alcathus was killed by Oenomaus. Pausanias 6.21.10 +1

Fate

Warriors fought over his corpse, and Diomedes was destined to slay him while scaling the wall. Iliad 13 ¶37 +1

Sources

  1. Apollodorus 1.7.10
  2. Pausanias 6.20.17
  3. Statius, Thebaid 7.692-720 ¶1
  4. Apollodorus 2.4.11
  5. Diodorus 4.72
  6. Pausanias 6.21.10
  7. The Great Eoiae fr. 10
  8. Iliad 13 ¶37
  9. Quintus 10 ¶22
  10. Quintus 3 ¶9
  11. Aeneid 10.747
  12. Pindar, Isthmian 7 ¶13
Written from the Mythos Codex, and every sentence checked against the facts it cites. From the Mythos Codex: 25 facts, each checked against the ancient passage it comes from, here drawn from Homer, Quintus Smyrnaeus, Pausanias, The Great Eoiae. Updated 1 November 2026.

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