Eos was the daughter of the Titans Hyperion and Thia. Zeus is the son of the Titans Cronus and Rhea. Since all the Titans are brothers ans sisters, Zeus and Eos would be cousins.
Athena's relation to Zeus was that she was his daughter.
Zeus is Hermes father.
romantic interest
The father and mother of Zeus (Kronos and Rhea) were siblings of Hyperion and Theia, whose daughter Eos, the Dawn, was mother of Boreas, who is the father of Khione with Oreithyia.
He was the son of Zeus and Maia.
There are no myths about the childhood of Eos; however, she likely saw the Titan war and later Giant war and sided with Zeus with her siblings, although her father and mother were Titans.
Hercules is Zues' son I believe.
Zeus and Hera are husband and wife. Hera is also Zeus' older sister as Cronus and Rhea gave birth to both.
Hades and Zeus are brothers; Hercules is a son of Zeus and, as such, a nephew of Hades.
It is disputed, either her being his daughter, or of no relation at all.
Hades is Zues's brother
Herse was the goddess of the plant-nourishing dew. She was a daughter of the sky-god Zeus and moon-goddess Selene.