Before we can talk about Zeus and Hera,let's talk about their parents and grandparents. Zeus and Hera's grandparents are Gaea(or Gaia) and Uranus. These two primordial beings had a group of 12children. These 12 beings where called the titians. Their names where Oceanus, Coeus, Crius, Hyperion, Iapetus, Cronus,Thea, Rhea, Themis, Mnemosyne, Phoebe, and Tethys. Zeus and Hera share the same parents,Cronus and Rhea. They also have Hestia,Demeter,Hades,Poseiden,and Chiron,who unlike his brothers and sisters was a centuar. Hera had Heaphestus on her own,and Zeus had Athena on his own,mostly. Hera and Zeus then had a child whom they named Ares and deemed God of War. Zeus had a child with a titan named Leto,and the result was Apollo and Artemis,god and goddess of the sun and moon. After this Zeus had a child with another titan whom's name was Maia. These two then had a child named Hermes,god of theives. How ever this was not enough for Zeus. Zeus had one last olympian child. This child's name was Dionysus. His mother was Semele. Semele was a mortal. When Dionysus invented wine,Zeus made him a god.
Must depend on where you have seen the family tree. For example in Wikipedia: Family tree of the Greek gods she is listed as daughter of Uranus.
Why don't you just do it by hand...
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See the related links below.
Pandora had no children. She was the wife of Epimetheus. But she had really no other family members.
Click link below, to see the Family tree of the Greek gods! The ones in green and the ones above that level are the elder gods.
All Greek gods and goddesses come from the same family tree, so Artemis was related to all the ageless immortals. Her imminent family was her mother Leto, her father Zeus, and her twin brother Apollo.
The main god is Re/Ra/Amon. His son is Horus, and wife is Isis.
Osiris is Seth's brotherSeth's sister and wife IsisHoris is the son of Osiris and Isis
This is a link to a Greek god family tree.
They actually believed in many gods. Go to http://ludios.org/greekgods/ to see a family tree.
Abraham was the first patriarch of gods family.