Koios

Koios, also spelled Coeus, is a figure in Greek mythology identified as one of the twelve Titans. In most traditions, he is a son of Gaia (the Earth) and Uranus (the Sky) and a brother of other early divine generations such as Cronus and Rhea. Koios is typically associated with the celestial or intellectual realm, and the name is often linked to concepts of knowledge, inquiry, or the axis of heaven, though his exact personification varies by source.

In Hesiod’s account and later Greek lore, Koios is married to Phoebe, another Titaness who embodies bright intellect or prophetic light. Together, they are described as the parents of Leto and Asteria. Leto is notable in myth as the mother of the Olympian twins Apollo and Artemis by Zeus. Koios himself does not feature prominently in heroic narratives; rather, he appears in genealogies and in explanations of divine origins, illustrating the Titan generation that preceded the Olympian gods.

The figure of Koios is largely historical within mythic studies and cults devoted to him were not as prominent as those of the Olympian deities. In Roman-era usage and in later translations, his name appears as Coeus. In summary, Koios stands as a relatively minor yet foundational Titan—an emblem of intellect and celestial order within the broader Greek mythic framework.