Rhea

In the Greek pantheon, Rhea is the daughter of Uranus and Gaia, sister and wife of Kronus. This makes her one of the Titans. She is the mother of Demeter, Hestia, Hera, Hades, Poseidon and Zeus. With the help of Gaia, Rhea saved Zeus from being swallowed by Kronus by swapping him with a stone and hiding him.