Who was Hermes sister?

Hermes' sister is Hesiod's muse, known as Aphrodite in some traditions, but more commonly, he is associated with his sister, the goddess of the dawn, Eos, in various myths. However, in broader Greek mythology, Hermes is often depicted as having siblings including Ares and the other Olympian gods. The relationships can vary based on different sources and interpretations within mythological tales.