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 Stonehelm
"Thorin III" from The Lord of the Rings Trading Card Game
Biographical Information
Other namesThorin III, Stonehelm
TitlesKing of Durin's Folk
King under the Mountain
LocationIron Hills
Lonely Mountain
BirthT.A. 2866
Iron Hills
RuleT.A. 3019 - Unknown
Deathunknown (aged 153+)
HouseHouse of Durin
ParentageDáin Ironfoot
ChildrenEventually Durin VII[note 1][1]
Physical Description
GalleryImages of Thorin Stonehelm

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.

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 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.[2]

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.[1]


Thorin's name is one from the Dvergatal. It means "Bold".[3]

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


Náin II
2338 - 2585
Dáin I
2440 - 2589
2450 - 2711
2542 - 2790
2552 - 2589
2563 - 2805
2560 - 2803
Thráin II
2644 - 2850
2665 - 2799
2662 - 2799
2671 - 2923
Thorin II Oakenshield
2746 - 2941
2751 - 2799
b. 2760
Dáin II Ironfoot
2767 - 3019
2763 - 2994
2772 - Fo.A. 91
2774 - 2994
2783 - Fo.A. 15
2859 - 2941
2864 - 2941
b. 2866
2879 - Fo.A. 120+
Durin VII

Portrayal in adaptations

Thorin in adaptations
Thorin III from The Lord of the Rings Trading Card Game
Thorin III Stonehelm in The Lord of the Rings Online
Thorin III Stonehelm in The Lord of the Rings Online  

2001-2007: The Lord of the Rings Trading Card Game:

A Decipher card identifies one of the Dwarves at the Council of Elrond in The Lord of the Rings: The Fellowship of the Ring as Thorin III.

2018: The Lord of the Rings Online:

Thorin III Stonehelm rules Erebor after the passing of his father Dáin Ironfoot, and is central to various questlines and stories taking place in Mordor, Eryn Lasgalen and the Dale lands, the Iron Hills and Ered Mithrin. "Stonehelm" was originally a derisive nickname used by those who disagreed with his decision to retreat and seal the gates of Erebor, but after proving his worthiness he adopts it as a symbol of steadfastness and strength.
His son is named Durin, but it remains to be seen if this Durin will become King Durin VII. His younger brother is "Náin the Slakeless", Lord of the Iron Hills.


  1. An alternative version of the genealogical tree of Appendix A suggested Durin VII was the son of Thorin III.


  1. 1.0 1.1 J.R.R. Tolkien, Christopher Tolkien (ed.), The Peoples of Middle-earth, "IX. The Making of Appendix A": (iv) "Durin's Folk", p. 278-9
  2. 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"
  3. 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
Thorin III
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:

Kings of Durin's Folk
Durin I* (Y.T.) · Durin II* · Durin III* (fl. S.A. 1600) · Durin IV* · Durin V* · Durin VI* (until T.A. 1980) · Náin I* (1980 - 1981) · Thráin I (1981 - 2190) · Thorin I (2190 - 2289) · Glóin (2289 - 2385) · Óin (2385 - 2488) · Náin II (2488 - 2585) · Dáin I (2585 - 2589) · Thrór (2585 - 2790) · Thráin II (2790 - captured 2845, d. 2850) · Thorin II Oakenshield (after 2845 - 2941) · Dáin II Ironfoot (2941 - 3019) · Thorin III Stonehelm (T.A. 3019 - Fourth Age) · Durin VII (Fourth Age)*
* Kings of Khazad-dûm · Kings under the Mountain