Arthedain
E915857
Arthedain was a northern Dúnedain kingdom in Middle-earth, formed from the breakup of Arnor and known as the last surviving remnant of that realm in the region of Eriador.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Arthedain canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11144318 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Arthedain Context triple: [Eriador, ruledBy, Arthedain]
-
A.
Beleriand
Beleriand is a vast western land in J.R.R. Tolkien’s legendarium, central to the events of The Silmarillion and the wars against Morgoth in the First Age of Middle-earth.
-
B.
Rhudaur
Rhudaur was one of the three successor kingdoms of Arnor in J.R.R. Tolkien’s Middle-earth, a northern realm that fell under the influence of evil powers and became a battleground in the wars of the Third Age.
-
C.
Doriath
Doriath is a legendary hidden Elven kingdom ruled by Thingol and Melian in J.R.R. Tolkien’s Middle-earth, famed for its enchanted forest and tragic role in The Silmarillion.
-
D.
Mithlond
Mithlond is the Elven port city on the western shores of Middle-earth in J.R.R. Tolkien’s legendarium, from which Elves and Ring-bearers depart over the sea to the Undying Lands.
-
E.
Nargothrond
Nargothrond is a great hidden Elven fortress-city in J.R.R. Tolkien’s legendarium, carved into caves along the River Narog in Beleriand and ruled by Finrod Felagund.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Arthedain Target entity description: Arthedain was a northern Dúnedain kingdom in Middle-earth, formed from the breakup of Arnor and known as the last surviving remnant of that realm in the region of Eriador.
-
A.
Beleriand
Beleriand is a vast western land in J.R.R. Tolkien’s legendarium, central to the events of The Silmarillion and the wars against Morgoth in the First Age of Middle-earth.
-
B.
Rhudaur
Rhudaur was one of the three successor kingdoms of Arnor in J.R.R. Tolkien’s Middle-earth, a northern realm that fell under the influence of evil powers and became a battleground in the wars of the Third Age.
-
C.
Doriath
Doriath is a legendary hidden Elven kingdom ruled by Thingol and Melian in J.R.R. Tolkien’s Middle-earth, famed for its enchanted forest and tragic role in The Silmarillion.
-
D.
Mithlond
Mithlond is the Elven port city on the western shores of Middle-earth in J.R.R. Tolkien’s legendarium, from which Elves and Ring-bearers depart over the sea to the Undying Lands.
-
E.
Nargothrond
Nargothrond is a great hidden Elven fortress-city in J.R.R. Tolkien’s legendarium, carved into caves along the River Narog in Beleriand and ruled by Finrod Felagund.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Dúnedain realm
ⓘ
fictional kingdom ⓘ successor state of Arnor ⓘ |
| alliedWith |
Elves of Rivendell
NERFINISHED
ⓘ
Gondor NERFINISHED ⓘ Lindon NERFINISHED ⓘ |
| alsoKnownAs | Arthedain, the North-kingdom remnant NERFINISHED ⓘ |
| appearsIn |
The Lord of the Rings appendices
NERFINISHED
ⓘ
The Peoples of Middle-earth NERFINISHED ⓘ |
| besiegedBy | Witch-king of Angmar NERFINISHED ⓘ |
| borders |
Cardolan
NERFINISHED
ⓘ
Rhudaur NERFINISHED ⓘ |
| capital | Fornost Erain NERFINISHED ⓘ |
| contains |
Annúminas (within its territory though no longer capital)
NERFINISHED
ⓘ
Fornost Erain NERFINISHED ⓘ |
| contemporaryWith |
Cardolan
NERFINISHED
ⓘ
Rhudaur NERFINISHED ⓘ |
| createdBy | J. R. R. Tolkien NERFINISHED ⓘ |
| enemy | Angmar NERFINISHED ⓘ |
| ethnicGroup | Dúnedain of the North NERFINISHED ⓘ |
| event | Fall of Fornost NERFINISHED ⓘ |
| fellIn | Third Age NERFINISHED ⓘ |
| fellInYear | T.A. 1974 ⓘ |
| firstKing | Amlaith of Fornost NERFINISHED ⓘ |
| formedFrom |
Arnor
NERFINISHED
ⓘ
breakup of Arnor ⓘ |
| governmentType | Dúnedain kingdom NERFINISHED ⓘ |
| heirTraditionContinuedAs | Chieftains of the Dúnedain ⓘ |
| language |
Sindarin
NERFINISHED
ⓘ
Westron NERFINISHED ⓘ |
| lastRemnantOf | Arnor NERFINISHED ⓘ |
| lastSurvivingRemnantOf | North-kingdom of the Dúnedain NERFINISHED ⓘ |
| locatedIn |
Eriador
NERFINISHED
ⓘ
northwest Middle-earth NERFINISHED ⓘ |
| militarySupportFrom | Eärnur of Gondor NERFINISHED ⓘ |
| notableDescendant | Aragorn II Elessar NERFINISHED ⓘ |
| notableLineage | Heirs of Isildur NERFINISHED ⓘ |
| politicalSystem | hereditary monarchy ⓘ |
| populationType | Men ⓘ |
| predecessorState | Arnor NERFINISHED ⓘ |
| region | western Eriador NERFINISHED ⓘ |
| royalHouse | House of Isildur NERFINISHED ⓘ |
| ruledBy | Kings of Arthedain NERFINISHED ⓘ |
| successorState | no direct successor (realm destroyed) ⓘ |
| survivedLongerThan |
Cardolan
NERFINISHED
ⓘ
Rhudaur NERFINISHED ⓘ |
| timePeriod | late Second Age to Third Age history (as part of Arnor and then separate) ⓘ |
| universe | Middle-earth NERFINISHED ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Arthedain Description of subject: Arthedain was a northern Dúnedain kingdom in Middle-earth, formed from the breakup of Arnor and known as the last surviving remnant of that realm in the region of Eriador.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.