Rhea

Rhea (known in Roman mythology as Ops) is the Titaness of Nature. She is the daughter of Gaia and Uranus. She is also the wife/sister of Cronus and the mother of Hera, Poseidon, Hades, Hestia and Demeter. She saved her son Zeus from him and Hera mention Rhea in the Hercules episode Tiff of Olympus. Than Hades "say hi for momzie for me".