Gaia
Etymology
In Mycenean Greek Ma-ka (probably transliterated as Ma-ga, "Mother Gaia") also contains the root ga-.
Birth of Gaia, Uranus, and the Titans
Hesiod's Theogony tells how, after Chaos), "wide-bosomed" Gaia (Earth) arose to be the everlasting seat of the immortals who possess Olympus above. And after Gaia came "dim Tartarus in the depth of the wide-pathed Earth", and next Eros the god of love. Hesiod goes on to say that Gaia brought forth her equal Uranus) (Heaven, Sky) to "cover her on every side". Gaia also bore the Ourea (Mountains), and Pontus) (Sea), "without sweet union of love" (i.e., with no father).
Birth of Gaia, Uranus, and the Titans
Afterward, with Uranus, her son, she gave birth to the Titans), as Hesiod tells it: