The document summarizes the twelve major Olympian gods and goddesses in Greek mythology. It describes each deity's role, parentage, and symbols. Zeus is the king of the gods and wields the thunderbolt. As his brothers, Poseidon rules the seas and Hades rules the underworld. The other gods include Hera, Apollo, Artemis, Aphrodite, Ares, Hephaestus, Hermes, Athena, and Hestia.