Zeus became the ruler of heaven and earth after a revolt against his father, Kronos. In his position as king of the gods, Zeus had to play mediator when other the immortals were mad at each other.
He is the father of Athena, who is said to have sprung from his head. She was his favorite child, with whom he shared the thunderbolt and aegis.
Hades and Poseidon were his brothers.
His wife Hera was also his sister.
Zeus was not a faithful husband; he was known for having many affairs with mortal women.
Zeus fathered Hercules, the famous Greek hero, by deception. He disguised himself as Amphitryon, Alcmene's husband, in order to have sexual relations with her.
Zeus fathered Perseus by impregnating Danaë. When he did so, he appeared to her in the form of a golden shower.
The name Zeus means "bright" or "sky."
His weapon of choice was the thunderbolt, made for him by the Cyclops.
Zeus, more recently known for causing thunder and lightning, was once a rain-god. He was always associated with the weather in some form.
The Zeus described in Homer was not an extension of nature; instead, he had a standard of right and wrong that made him more relatable to mankind.
Before monarchies were rendered obsolete, Zeus protected the king and his family.
Hesiod calls Zeus the "the lord of justice." Perhaps because of this, he was reluctant to join a side in the Trojan War. He preferred the Trojans, but he wanted to stay neutral because Hera preferred the Greeks. She was insufferable when he opposed her openly.
Metis, the goddess of prudence, was Zeus's first love.
Ares, Hephaestus, Hebe and Eileithyia are the children of Zeus and Hera.
His union with Leto brought forth the twins Apollo and Artemis.
When he seduced the Spartan queen Leda, Zeus transformed himself into a beautiful swan, and two sets of twins were born.
When Zeus had an affair with Mnemosyne, he coupled with her for nine nights. This scenario produced nine daughters, who became known as the Muses.