Feanor

Feanor the son of Finwe was the greatest smith of the Elves in Valinor. In the First Age he created the three Silmarils, jewels of light that captured and preserved the light of the Two Trees.

When Morgoth killed his father and stole the Silmarils, Feanor swore revenge. He refused to surrended the Silmarils, defied the Valar who forbade war and led many Elves to Angband to north, and the War of the Silmarils begun. He was slain early by Balrogs.

He had 7 sons who after his death they tried to recover the Silmarils.