Luthien (Go with the E. Still to many n's.
)
Daughter of Thingol, High King of Elves and Melian, one of the Ainu. Thought to be the most beautiful Elf that ever lived. Helped Beren get into Angaband and steal one of the Silmarils off the crown of Melkor, or Morgoth as he was known then. Later married Beren and then died. She was later given the choice to live again and disappear out of the World once Beren and she died again.