I have indeed translated the names of all seven dwarvish clans, you can find them in the dictionary available via the dwarrowscholar site. For your convenience I’ve included an easy overview below.
As for LoTRO’s “Dourhands”, though not a clan in their own right (as there are only seven clans), this was also added to the dictionary some years ago:
Durthu-rathkh (Durthu-rathâkh) Dourhand
As for the epithet “Stonehelm”, this would be ‘Aban’azghbund, from the elements:
Philippe Wolfers (1858-1929), Art Nouveau ‘Glycines’ choker. Gold, carved watermelon tourmaline, carved opal, ruby, garnet; marked Ex: Unique’ for Unique Issue, number 126 of the Catalogue of Unique Items by Philippe Wolfers and numbers 108 and 111 of the workshop Brussels – Designed circa 1900-1901. Fine Jewels Period
I’m reading the Hobbit again and when the elves were singing to Bilbo and the dwarves all I could think about was how funny it would be to see some of the elves in the First Age merrily singing that song. Maedhros is not amused.
Chirk Castle, Wales, built in
1295 by Roger Mortimer de Chirk as one of the fortresses along the Welsh border to impose and protect English rule. It was bought in 1593 by
Sir Thomas Myddelton
and the Myddelton family lived there almost continuously until 2004.