Originated from the goddess who is the personification of memory. Born of Uranus, the god of sky, and Gaia, the goddess of Earth, she is one of the Titans. When the war raged between the Olympians and the Titans, she didn't support her own race, but sided with Zeus. Later, she came to give birth to the children of Zeus. Their nine children are called with Muses. By the way, why did she side with Zeus, I wonder?