Dori was one of the twelve companions of Thorin and Bilbo on the Quest of Erebor. He was the brother of Nori and Ori. It fell to Dori to carry Bilbo in the tunnels of the Misty Mountains,
Nori was one of the twelve companions of Thorin and Bilbo on the Quest of Erebor. He was the brother of Ori and Dori
Ori was one of the twelve companions of Thorin and Bilbo on the Quest of Erebor, and brother to Dori and Nori. He was also one of the Dwarves who entered Moria with Balin.