Pontus and Gaea
| Nereus, Thaumas, Ceto and Eurybia|
The Hesperides, The Gorgons, The Graeae, Thoosa, Scylla, Echidna, the Sirens, and Ladon
In Greek mythology, Phorcys /ˈfɔːrsᵻs/ (Greek: Φόρκυς, Phorkus) is a primordial sea god, generally cited (first in Hesiod) as the son of Pontus and Gaia. According to the Orphic hymns, Phorcys, Cronus and Rhea were the eldest offspring of Oceanus and Tethys. Classical scholar Karl Kerenyi conflated Phorcys with the similar sea gods Nereus and Proteus. His wife was Ceto, and he is most notable in myth for fathering by Ceto a host of monstrous children. In extant Hellenistic-Roman mosaics, Phorcys was depicted as a fish-tailed merman with crab-claw fore-legs and red-spiked skin.
Hesiod's Theogony lists the children of Phorcys and Ceto as the Graeae (naming only two: Pemphredo, and Enyo), the Gorgons (Stheno, Euryale and Medusa), probably Echidna (though the text is unclear on this point) and Ceto's "youngest, the awful snake who guards the apples all of gold in the secret places of the dark earth at its great bounds", also called the Drakon Hesperios ("Hesperian Dragon", or dragon of the Hesperides) or Ladon. These children tend to be consistent across sources, though Ladon is often cited as a child of Echidna by Typhon and therefore Phorcys and Ceto's grandson.
According to Apollodorus, Scylla was the daughter of Crataeis, with the father being either Trienus (Triton?) or Phorcus (a variant of Phorkys). Apollonius of Rhodes has Scylla as the daughter of Phorcys and a conflated Crataeis-Hecate.
The Scholiast on Apollonius of Rhodes cites Phorcys and Ceto as the parents of the Hesperides, but this assertion is not repeated in other ancient sources.
Homer refers to Thoosa, the mother of Polyphemus, as a daughter of Phorcys.