Linnar, Sindri, and Uri

Linnar, Sindri, and Uri were three non-canonical dwarves who each received one of the Rings of the dwarves. They were created in the Decipher Card Trading Game, and were each royal lords after they received their Rings. The mined for Mithril and gold and silver. Their Ring eventually faded, but it is not known whether they were eaten by dragons or somehow fell into the hands of Sauron.