Note: Do not rely on this information. It is very old.
Gaea, or Gaia, the Greek goddess of the earth, was, according to one myth, the first-born of Chaos, and mother of Uranus and Pontus, and of the Titans, the Cyclopes, and others. Her story represents a theory of the creation. At Rome she was worshipped as Tellus, and black ewe lambs were sacrificed to her.