Coeus was the titan of intelligence and the keeper of wisdom. His wife was Phoebe, the titaness of the Moon and they had two daughters; Asteria, the goddess of fire and Leto, who would later on become the mother of the Olympian twins Apollo and Artemis.

As with the other Titans, Coeus was finally overthrown by Zeus and other Olympian Gods and was sent to Tartaros, in the depths of the Underworld.