In Greek mythology, Ēōs (/ˈiːɒs/; Ancient Greek: Ἠώς, or Ἕως, Éōs, “dawn”, pronounced [ɛːɔ̌ːs] or [éɔːs]; also Αὔως, Aýōs in Aeolic) is a Titaness and the goddess[1] of the dawn, who rose each morning from her home at the edge of the Oceanus.

Eos, Goddess of Dawn

Oceanus

Eos had a brother and a sister. Helios, god of the sun, and Selene, goddess of the moon.

Selene

Helios

-wikipedia