Witch-king of Angmar
E734373
The Witch-king of Angmar is the Lord of the Nazgûl and Sauron’s chief servant in J.R.R. Tolkien’s Middle-earth legendarium, feared as the most powerful of the Ringwraiths.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Witch-king of Angmar canonical | 9 |
| the Witch-king of Angmar | 2 |
| Lord of the Nazgûl | 1 |
| Morgul-lord | 1 |
| The Witch-king of Angmar | 1 |
| Witch-king | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8430822 — 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: Witch-king of Angmar Context triple: [Battle of the Pelennor Fields, commander, Witch-king of Angmar]
-
A.
Sauron
Sauron is the primary dark antagonist of J.R.R. Tolkien’s Middle-earth legendarium, a fallen Maia who seeks dominion over all life through the power of the One Ring.
-
B.
Morgoth
Morgoth is the primordial Dark Lord of J.R.R. Tolkien’s legendarium, a fallen Vala who sought to corrupt and dominate Arda long before Sauron.
-
C.
Saruman
Saruman is a powerful wizard and primary antagonist in J.R.R. Tolkien's Middle-earth legendarium, most prominently featured in "The Lord of the Rings."
-
D.
Grindel
Grindel is the birth surname of the French surrealist poet Paul Éluard.
-
E.
Gothmog (Lieutenant of Morgul)
Gothmog, Lieutenant of Morgul, is a high-ranking servant of Sauron in J.R.R. Tolkien's legendarium, known for leading Mordor's forces during the War of the Ring.
- 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: Witch-king of Angmar Target entity description: The Witch-king of Angmar is the Lord of the Nazgûl and Sauron’s chief servant in J.R.R. Tolkien’s Middle-earth legendarium, feared as the most powerful of the Ringwraiths.
-
A.
Sauron
Sauron is the primary dark antagonist of J.R.R. Tolkien’s Middle-earth legendarium, a fallen Maia who seeks dominion over all life through the power of the One Ring.
-
B.
Morgoth
Morgoth is the primordial Dark Lord of J.R.R. Tolkien’s legendarium, a fallen Vala who sought to corrupt and dominate Arda long before Sauron.
-
C.
Saruman
Saruman is a powerful wizard and primary antagonist in J.R.R. Tolkien's Middle-earth legendarium, most prominently featured in "The Lord of the Rings."
-
D.
Grindel
Grindel is the birth surname of the French surrealist poet Paul Éluard.
-
E.
Gothmog (Lieutenant of Morgul)
Gothmog, Lieutenant of Morgul, is a high-ranking servant of Sauron in J.R.R. Tolkien's legendarium, known for leading Mordor's forces during the War of the Ring.
- F. None of above. chosen
Statements (61)
| Predicate | Object |
|---|---|
| instanceOf |
Nazgûl
ⓘ
Ringwraith ⓘ fictional character ⓘ servant of Sauron ⓘ undead being ⓘ |
| allegiance | Sauron NERFINISHED ⓘ |
| alsoKnownAs |
Black Captain
NERFINISHED
ⓘ
Captain of Despair NERFINISHED ⓘ Dwimmerlaik NERFINISHED ⓘ Lord of the Nazgûl NERFINISHED ⓘ Lord of the Nine Riders NERFINISHED ⓘ Morgul-lord NERFINISHED ⓘ Witch-king NERFINISHED ⓘ |
| appearsIn |
The Fellowship of the Ring
NERFINISHED
ⓘ
The Return of the King NERFINISHED ⓘ The Silmarillion (appendices and references) NERFINISHED ⓘ The Two Towers NERFINISHED ⓘ Unfinished Tales NERFINISHED ⓘ |
| baseOfOperations |
Carn Dûm
NERFINISHED
ⓘ
Minas Morgul NERFINISHED ⓘ |
| capitalOfRealm | Carn Dûm NERFINISHED ⓘ |
| commandedBy | Sauron NERFINISHED ⓘ |
| creator | J. R. R. Tolkien ⓘ |
| death | slain by Éowyn and Meriadoc Brandybuck ⓘ |
| deathLocation | Pelennor Fields NERFINISHED ⓘ |
| defeatedBy |
Meriadoc Brandybuck
NERFINISHED
ⓘ
Éowyn NERFINISHED ⓘ |
| enemy |
Arnor
NERFINISHED
ⓘ
Gondor NERFINISHED ⓘ the Dúnedain of the North NERFINISHED ⓘ |
| fictionalUniverse | Middle-earth NERFINISHED ⓘ |
| firstAppearance | The Lord of the Rings NERFINISHED ⓘ |
| groupAffiliation |
Nazgûl
NERFINISHED
ⓘ
Servants of Sauron NERFINISHED ⓘ |
| kingdomRuled | Angmar NERFINISHED ⓘ |
| loyalty | Mordor NERFINISHED ⓘ |
| mount |
black horse
ⓘ
fell beast ⓘ |
| notableAbility |
instilling terror in enemies
ⓘ
invisibility when wearing the Ring ⓘ sorcery ⓘ |
| notableEvent |
commands the siege of Minas Tirith
ⓘ
defeats the last king of Gondor, Eärnur, at Minas Morgul ⓘ destroys the kingdom of Arthedain ⓘ leads the war against Arnor ⓘ wounds Frodo Baggins at Weathertop with a morgul-knife ⓘ |
| position |
Lord of Minas Morgul
NERFINISHED
ⓘ
Sauron’s chief servant ⓘ chief of the Nazgûl ⓘ |
| prophecy | no living man can kill him ⓘ |
| race |
Man
ⓘ
Wraith ⓘ |
| realm | Angmar NERFINISHED ⓘ |
| ringBearerOf | one of the Nine Rings of Power ⓘ |
| serves | Dark Lord Sauron NERFINISHED ⓘ |
| title |
King of Angmar
NERFINISHED
ⓘ
Lord of the Nazgûl NERFINISHED ⓘ Lord of the Ringswraiths ⓘ |
| weapon |
mace
ⓘ
morgul-knife NERFINISHED ⓘ sword ⓘ |
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: Witch-king of Angmar Description of subject: The Witch-king of Angmar is the Lord of the Nazgûl and Sauron’s chief servant in J.R.R. Tolkien’s Middle-earth legendarium, feared as the most powerful of the Ringwraiths.
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
King Théoden (film character)
this entity surface form:
the Witch-king of Angmar
this entity surface form:
The Witch-king of Angmar
this entity surface form:
Witch-king
this entity surface form:
Morgul-lord
this entity surface form:
the Witch-king of Angmar