Family Tree of the Greek Gods

Marked are the 12 Gods of Olympus and the gods who reigned the world a time (Uranos, Cronus and Zeus).

                                   Chaos
                                     |
                             +-------+--------------+------+
                             |                      |      |
                           Gaia                  Tartarus  Eros
                            |                       |
              +--------+----+-----+------------+    |
              |        |    |     |            |    |
           Python      |    |  +--+----+       +--+-+
                       |    |  |       |          |
                       |    | Uranus  Pontus    +-+------+
                       |    |   | |     |       |        |
                       |    +-+-+ |   +-+--+   Echidna  Typhon
                       |      |   |   |    |
                       |      |   +-+-+    |
                       |      |    /       |
                       |      |   /        |
     ,------------------------|--'         |
    /                  |      |            |
   /                   +------|------+-----+
  |                           |       \\
  |                           |        '--------------------------------------------------------------------------------------------.
  |                           |                                                                                                      \\
  |                +----------+------------------------------------------------------------------------------------------+------------|------------+--------------------+------------------------------------------------------+---------------------+
  |                |                                                                                                     |            |            |                    |                                                      |                     |
  |                | (Titan)                                                                                             | (Cyclopes) |            | (Hecantochires)    |(Gigantes)                                            | (Erinyes)           | (Meliae)
  |                |                                                                                                     |            |            |                    |                                                      |                     |
  |       +------+-+-----+--------+--------+--------+--------+-------+------+---------+--------+-------+        +--------+--------+   |    +-------+------+             +----------+-----------+--------+-------+       +------+-+----------+       ...
  |       |      |       |        |        |        |        |       |      |         |        |       |        |        |        |   |    |       |      |             |          |           |        |       |       |        |          |
  |   Oceanus  Coeus  Hyperion  Crius  Iapetus   Cronus  Tethys  Rhea  Themis  Mnemosyne  Phoebe  Theia   Brontes  Steropes  Arges | Briareus  Gyges  Cottu          Alcyoneus  Clytias  Enceladus  Echion  Athos   Alecto  Tisiphone  Megaera
  |      |        |        |               |         ||      |       |      |         |        |       |                              |                                                                          
  |      +----+---|----------------------------------||------+       |      |         |        |       |                           +--+----+--------+------+-------+
  |           |   +--------|-----+---------|---------||--------------|-------\\---------\\-------+       |                           |       |        |      |       |
Aphrodite     |(Oceanid)   |     |         |         |+--------+-----+        \\         \\              |                        Nereus  Thaumas  Phorcys  Ceto  Eurybia
  | |         |            +-----|---------|---------|---------|---------------\\---------\\------------++                           |                |      |
  | |   +-----++----+-----+      |         |         |         |                \\         \\            \\                           |                +--+---+
  | |   |      |    |     |      |         |         |         |                 \\         \\            \\                          |                   |
  | | Asopus ... Clymene Doris   |         |         |         |                  \\         \\            +----+------+-----+       |                   | (Phorcydes)
  | +----|----------|-----|------|---------|--------++         |                   \\         \\                |      |     |       |                   | 
  |      |          +-----|---+--|---------+         \\         |                    \\         \\             Selene  Eos  Helios    |                 +-+--------+-----------------+----------+---------------------+-----------------+---------------+
  |      |                +---|--|--------------------\\--------|---------------------\\---------\\--------------|------|------------++                 |          |                 |          |                     |                 |               |
  |      |        +--------+--+--|----+------------+   \\       |                      \\         \\             |      |             \\                Echidna     | (Gorgon)      Ladon        | (Graeae)            |(Hesperides)   Scylla            | (Siren)
  |      |        |        |     |    |            |   Pothos  |                       \\         \\   Metis    |      |              \\ (50 Nereid)               |                            |                     |                                 |
  |      |     Atlas   Epimetheus| Prometheus  Menoetius       |                        \\         \\    |      |      |               +-----------+-----+        +-------+-------+         +--+--+-------+         ++------+--------+---------+      ...
  |      |       |               |                             |                         \\         \\   |      |      |               |           |     |        |       |       |         |     |       |         |       |        |         |
  |      |       |        +------+--+         +-------+-------++----+-------+-------+     \\         \\  |      |      |            Amphitrite  Thetis  ...     Medusa  Sthenno  Euryale  Deino  Enyo  Pemphredo  Aegle  Arethusa  Erytheia  Hesperia
  |      |       |        |         |         |       |       |     |       |       |      \\         \\ |      |      |
  |      |     Maia     Asteria   Leto     Hestia  Demeter  Hera  Hades  Poseidon  Zeus     \\         \\|      |      |
  |      |      |                  |                 |        |                      |       \\         |      |      |
  |      |      |                  |                 |        |                  +++++++++++  |        |\\     |      |
  |      |      |                  |                 |        |                  |||| ||||||  |        | \\    |      |
  |      |      |                  |                 |        +----+-------------+||| |||||+--|---+----+  |   |      |
  |      |      +------+-----------|-----------------|-------------|--------------+|| ||||+-+-+   |       |   |      |
  |      |             |           |              +--|----+--------+--+--------+   || |||+--|-----|--+----+   |      |        (Muse)
  |      |           Hermes        +--+-----------|--|----|-----------|--------|---+| |||   |     |  +--------|------------+-------+------+-----+--------+----------+----------+-------+--------+------+---------+---------+
  |      |               |            |         Ares |Eileithyia  Hephaistos  Hebe  | ||++--|-----|-----------+      |     |       |      |     |        |          |          |       |        |      |         |         |
  |    Aegina            |            |          |   |                              | || |  \\-----|---------\\        |   Melete  Mneme  Aoede  Clio  Melpomene  Terpsichore  Thalia  Euterpe  Erato  Urania  Polyhymnia  Calliope
  |      |               |            |          |   +---+--------------------------+ |+-|--------|---+------\\-------+
  |      +----------+----|-----------------------|-------|----------------------------+  |        |   |     ,-+--------------------------------+---------------------+
  |                 |    |            |          |       |                           +-+-+---+ Athene |    /                                   |                     | 
  |               Aeacus |       +----+--+       |   Persephone                      | |     |       Ersa |(Horae)                             |(Moirae)           Astraea
  +---+                  |       |       |       |                                  ..... Pandia          |                                    |
  |   |                  |    Artemis  Apollo    |                                                +----+--+---+-----+-------+-------+      +---+-----+--------+
  |   |                  |                       |                                                |    |      |     |       |       |      |         |        |
  |   +-----+------------|-----------------------+                                             Auxo  Carpo  Thallo Dike  Eunomia  Eirene  Clotho  Lachesis  Atropos
  |         |            |
  +---------|-----+------+
            |     |
       +----+-+---|----+--------+
       |      |   |    |        | 
    Anteros  Eros | Harmonia  Himeros
                  |
     +----------+-+----------+-------+------+
     |          |            |       |      |
  Eunomia  Hermaphroditus  Peitho  Rhodos  Tyche