Apsu, in the Babylonian creation epic the Enûma Elish, was killed by his son Ea in the struggle for supremacy among the gods. In the mythology of the neighboring Mesopotamian Hurrian people the storm god Teshub kills his father Kumarbi, sometimes jointly with his grandfather Anu in reciprocity for an attempted patricide by Kumarbi. In the Greek creation epic, first recorded in Hesiod's Theogony, Cronus was jealous of his father Uranus' power as ruler of the universe.