who is rhea'
âRhea to Kronos, in Percy Jackson's Greek Gods. Rhea is the Titaness of Motherhood, as well as the Titan Queen of Mount Orthys. Rhea is the wife of the Titan King Kronos and mother of the Elder Olympian gods Hestia, Demeter, Hera, Hades, Poseidon, and Zeus. Her Roman form is Ops.