Gaia

About
Gaia was the Goddess of Earth, she was the ancestor of the Gods and parents to the Titans, Hekatonkheires, Giants, the Erinyes Melinae, nymphs of ash-tree. In some myths, she is the personification of Earth itself. and one of the primordial Greek Deities. She's the daughter to Khaos, wife to Ouranos, and mother to the Titans, Hecatonchires, Giants, Cyclopes, Typhon and many more.

Her Grandchild is Zeus