In the Beginning . . .

                                            Chaos
                                              |
                       ____________________________________________
                       |          |           |        |          |
                      Gaea      Tartarus     Eros     Erebus     Night
                       |
               ___________________
               |        |         |
      Gaea = Uranus  Mountains  Pontus
           |
  _____________________
  |        |          |
Titans  Cyclope  Hecatonchires

Derived From Morford & Lenardon Classical Mythology

For a narrative see Creation of the World