Hebe

Greek Goddess of Youth
Cupbearer to the Gods

Parentage:
She is the daughter of Zeus and Hera, and sister of Ares, Hephaestus, Eris ("strife"), and Eileithyia, goddess of childbirth.

Notable Stories Involving Her:
In addition to being the goddess of youth, she was also cupbearer to the gods, though after her half-brother Heracles became a full-fledged god, she married him and was replaced as cupbearer by Ganymede, a Trojan prince.

Hebe Around the World:
Her Roman equivalent is Juventas, though she can also be compared to the Norse Idun.

SOURCES: Greek Mythology.com, Encyclopedia Mythica, & Wikipedia