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?
Lúthien:  Her story is told to Frodo by Aragorn in "The Lord of the Rings". Aragorn: Aragorn II, son of Arathorn is a fictional character from J. R. R. Tolkien's legendarium.
i don't know