In Greek mythology, Koios (also known as Coeus) was the Elder Titan god of intelligence, the inquisitive mind, or questioning intellect, his name meaning "query" or "questioning". His wife, Phoibe (or Phoebe) was the goddess of the prophetic mind. Together, the couple may have functioned as the primal font of all knowledge, both that born of heaven (Krios son of Heaven) and derived from earth (Phoibe daughter of earth).In Greek mythology, Koios (also known as Coeus) was the Elder Titan god of intelligence, the inquisitive mind, or questioning intellect, his name meaning "query" or "questioning". His wife, Phoibe (or Phoebe) was the goddess of the prophetic mind. Together, the couple may have functioned as the primal font of all knowledge, both that born of heaven (Krios son of Heaven) and derived from earth (Phoibe daughter of earth).