Zeus is the child of a titan.
In Greek mythology , Cronus , or Kronos ( [ ˈkroʊnəs ] or [ ˈkroʊnɒs ] from Κρόνος , krónos ) , was the leader and youngest of the first generation of Titans , the divine descendants of Uranus , the sky , and Gaia , the earth . Perses ( [ ` pɜːsɪz ] Πέρσης , `` The Destroyer '' ) was the son of the Titan Crius and Eurybia . Rhea ( [ ˈriːə ] Ῥέα , [ r̥é.a͜a ] ) is a character in Greek mythology , the Titaness daughter of the earth goddess Gaia and the sky god Uranus , and sister and wife to Cronus . Zeus . Zeus is the child of Cronus and Rhea , the youngest of his siblings to be born , though sometimes reckoned the eldest as the others required disgorging from Cronus 's stomach .