In the Silmarilion, Beren is the son Barahir who cut one of the Silmarils from Morgoth's crown while he was sleeping. This was a quest assigned to him as the bride-price of Luthien, Thingol's daughter.
Beren was slain by Caracharoth the wolf of Angband but was allowed to return from the dead and lived afterwards withLuthien on Tol Galen in Ossiriand and fought with the Dwarves at Sarn Athrad. He is the great-grandfather of Elrond and Elros amd ancestor od the Numenorean Kings.
He was also known as Camlost, Erchamion, and One-hand.
Information for this node was taken from the index of the Silmarillion by Tolkien