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Thorin Stonehelm

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The name Thorin refers to more than one character, item or concept. For a list of other meanings, see Thorin (disambiguation).
Thorin III
Biographical Information
Other namesThorin III Stonehelm
ParentageDáin II Ironfoot
Physical Description

Thorin III Stonehelm (Third Age 2866 – Fourth Age) was the son and heir of Dáin II Ironfoot of Durin's folk, who was king of the Dwarves of Erebor and the Iron Hills in Wilderland.



During the Lordship of his father, Thorin was more than likely born in the Iron Hills to Dáin II Ironfoot. During his younger years he saw his people able to finally return to the Lonely Mountain after many years of further exile, and wandering. He himself became a prince with the rise of his father as King under the Mountain, and over all the Longbeards.

It is unknown if Thorin Stonehelm participated in the Battle of Five Armies, in which his father led a contingent of five hundred Dwarves from the Iron Hills. Thorin Stonehelm would have been 86 years old at the time (Third Age 2941), so it is not implausible.

During the War of the Ring at the age of one hundred fifty-three, Thorin fought the Easterlings in the Battle of Dale, and took refuge in Erebor after his father was killed at its gates, along with Brand king of Dale. Thorin then became King under the Mountain.

When the news of the Sauron's defeat in the South came to the ears of the enemy, they became dismayed and the Dwarves and Men came forth from the mountain and routed them driving them back of the river Carnen, never troubling them again.[1]

Under Thorin's leadership Erebor and Dale were rebuilt along with Dale's new king Bard II, son of Brand, and once again both their people prospered, and their realms became close allies with the Reunited Kingdom of Arnor and Gondor of King Aragorn II.

During his rule Gimli, son of Glóin, led a number of Dwarves South to Aglarond, where a new colony was settled. Also during his rule mining for mithril in Moria slowly began again, although Moria was not yet permanently settled.

Thorin III had a descendant who was held to be the reincarnation of Durin the Deathless, and would rule as Durin VII the Last.


Thorin's name is one from the Dvergatal. It means "Bold".[2]

The origins of the name "Stonehelm" are mysterious: Tolkien doesn't provide us with any account that would shed light on its meaning.


Thráin II
Thorin II Oakenshield
Dáin II Ironfoot

† End of the royal line of the Dwarves of Erebor
Thorin Stonehelm
House of Durin
Born: T.A. 2866
Preceded by:
Dáin II Ironfoot
King of Durin's Folk
T.A. 3019 - Unknown
Eventually Durin VII
King under the Mountain
T.A. 3019 - Unknown
Followed by:


  1. J.R.R. Tolkien, The Lord of the Rings, Appendix B, "The Chief Days from the Fall of Barad-dûr to the End of the Third Age"
  2. Chester Nathan Gould, "Dwarf-Names: A Study in Old Icelandic Religion", published in Publications of the Modern Language Association of America, Vol 44 (1929), issue #4, pp. 939-967