(Κράτος), the personification of strength, is described as a son of Uranus and Ge. (Hes. Th. 385; Aeschyl. Prom. init.; Apollod. 1.2.4.)
[L.S]A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890