Board Thread:Questions and Answers/@comment-25954624-20150115004105/@comment-26116279-20150219175247

there were the wicked dwarves of belegost in the 1st age but they mainly fought melkor and there were also the petty dwarves who were enemies of just about anyone but they all died. All seven of the dwarf tribes were loyal to durin's tribe because he was the first and oldest dwarf any dwarf that sided with sauron was a renegade.