Thingol quarrelled with the Dwarves of Nogrod and they slew him, stealing the Silmaril. With the help of Ents, Beren waylaid the Dwarves and recovered the Silmaril, which he gave to Lúthien. Soon afterwards, both Beren and Lúthien died again. The Silmaril was given to their son Dior Hal...