Simplify the following text for a Grade 9 native English-speaking person.
Original: In Greek mythology , Pontus ( or Pontos , English translation : `` sea '' ) was an ancient , pre-Olympian sea-god , son of Gaia , the Earth .
Simplified: In Greek mythology , Pontus ( or Pontos ( Î Ï Î 1\/2 Ï Î Ï ) , English translation : `` sea '' ) was an ancient , pre-Olympian sea-god , one of the protogenoi , the `` first-born '' . Pontus was the son of Gaia , the Earth : Hesiod says that Gaia brought forth Pontus out of herself , without coupling .