Hippeia

Hippeia or Hippea (Ἱππεία) is the name of two characters in Greek mythology.

Athena Hippeia
Athena Hippeia (or Hippeia Athena, "Athena of Horses") is Athena as a goddess of horses. In this form, she was said to be the daughter of Poseidon and Polyphe, daughter of Oceanus. She was given her name because she was the first to use a chariot.

Daughter of Antippus
Hippea is the daughter of Antippus. She married Elatus and bore Polyphemus, Caeneus, and Ischys.