Kallone (Greek Καλλονή "beauty") is one third of the Greek trio of gods comprising Fate, Birth and Beauty; or Moira, Eileithyia and Kallone respectively. She is described in Plato's Symposium as an aspect of birth:
She is described by mythologist Seth Benardete as a cult name for Artemis-Hecate.
References
Kallone Wikipedia(Text) CC BY-SA