What did Gaea give birth to?

Gaea, the personification of Earth in Greek mythology, gave birth to several primordial beings, including Uranus (the sky), the mountains, and the sea. She also mothered the Titans, Cyclopes, and Hecatoncheires (the hundred-handed giants) with Uranus. Additionally, Gaea is often considered the mother of various other mythical creatures and deities, embodying the fertile and nurturing aspects of the earth.