Question: Luthien, who appears in Tolkien's companion to The Lord of the Rings, "The Silmarillion", has her story told to Frodo by the heir of Isildur, who was first introduced by what name?
Sentence (from "Lúthien"): She appears in "The Silmarillion", the epic poem "The Lay of Leithian", the Grey Annals section of "The War of the Jewels", and in other texts in Tolkien's legendarium.
Relevant evidence: No