Luthien, daughter of Thingol, king of Doriath, was born in the Ages of Starlight. The name 'Thinuviel' comes from the name given her by Beren, son of Barahir, her human lover, and means 'Nightingale' in Sindarin. Luthien is considered the most beautiful maiden of any race ever born. She is the daughter of an elf, Thingol, and the Maia spirit Melian, queen of Doriath. Her life in involved mostly in story with the human Edain Beren, whom she fell in love with against her father's will. However, because she had made Thingol swear not to harm Beren, he instead set upon him the Quest of the Silmaril.
Beren and Luthien, after many hardships including imprisonment on Sauron's
Tinúviel elvanui
Elleth alfirin edhelhael
O hon ring finnil fuinui
A renc gelebrin thiliol...