ash-tree Nymphs called the Meliae . From the testicles of Uranus in the sea came forth Aphrodite . After Uranus's castration, Gaia gave birth to Echidna and Typhon by Tartarus . By Pontus, Gaia birthed the sea-deities Nereus , Thaumas , Phorcys , Ceto , and Eurybia . Aergia , a