21. As in the Greek and Hittite theogonies , Sanchuniathon's Elus / Cronus overthrows his father Sky or Uranus and castrates him. 22. For Greek myths the oldest source is probably Hesiod's " Theogony " and the so-called Homeric Hymns. 23. Hesiod s Theogony places her marriage to Jason on the list of marriages between mortals and divine, suggesting that she is predominantly divine. 24. However, in Hesiod's " Theogony ", Clymene is listed as Iapetus'wife and the mother of Prometheus. 25. Although it is often used as a sourcebook for Greek mythology, the " Theogony " is both more and less than that. 26. The " Theogony " concerns the origins of the world ( cosmogony ) and of the gods ( theogony ), beginning with Hellenes. 27. The " Theogony " concerns the origins of the world ( cosmogony ) and of the gods ( theogony ), beginning with Hellenes. 28. Rather, the " Theogony " affirms the kingship of the god Zeus himself over all the other gods and over the whole Cosmos. 29. Themis occurred in Hesiod's " Theogony " as the first recorded appearance of " Justice " as a divine personage. 30. :The OP is correct that Hesiod's " Theogony " contains nothing about the Cyclopes'being released from the underworld by Zeus.