Lord of the Iron Hills

From Tolkien Gateway

Lord of the Iron Hills was a title given to the rulers of the Iron Hills in eastern Wilderland. The only two known Dwarves to bear this title were Grór and his successor and grandson Dáin II Ironfoot. After Dáin became King of Durin's Folk and took up abode in Erebor, it is not known if anyone else then took up the title.

Portrayal in adaptations[edit]

2018: The Lord of the Rings Online:

During the reign of Thorin Stonehelm, his brother, "Náin the Slakeless", is Lord of the Iron Hills. He rules from the capital, "Járnfast".