idun the goddess of youth norse mythology

Idun is the Goddess of eternal youth in Norse mythology

In Gods and Creatures by Skjalden

Idun (Old Norse “Iðunn”) is a beautiful Goddess with long golden hair, she is the Goddess of spring and eternal youth, she guards the apples of youth in Norse mythology. Idun supplies the other Gods and Goddesses with the apples of youth, to keep them young and beautiful forever. Idun is the daughter of the dwarf Ivald, and she is married to Bragi “the God of poetry and music”.