Grail Castle
E809796
Grail Castle is the mystical fortress in Arthurian legend where the Holy Grail is kept and guarded by the Grail King and his knights.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Grail Castle canonical | 6 |
| Grail castle | 2 |
| Grail Castle Monsalvat | 1 |
| Grail castle Monsalvat | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9622500 — 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: Grail Castle Context triple: [Parsifal, setting, Grail Castle]
-
A.
Goodrich Castle
Goodrich Castle is a well-preserved medieval fortress in Herefordshire, England, renowned for its dramatic hilltop setting above the River Wye and its impressive 12th–13th century stone architecture.
-
B.
Vêves Castle
Vêves Castle is a well-preserved medieval fortress in Belgium renowned for its fairy-tale turrets and picturesque hilltop setting.
-
C.
Grosmont Castle
Grosmont Castle is a medieval stone fortress in the village of Grosmont in Monmouthshire, Wales, notable as one of the trio of castles guarding the Monnow Valley near the English border.
-
D.
Swallow's Nest castle
Swallow's Nest castle is a picturesque neo-Gothic clifftop castle overlooking the Black Sea in Crimea, famous as a symbol of the region and a popular tourist landmark.
-
E.
Red Castle
Red Castle is a ruined medieval fortress overlooking Lunan Bay on the east coast of Scotland.
- 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: Grail Castle Target entity description: Grail Castle is the mystical fortress in Arthurian legend where the Holy Grail is kept and guarded by the Grail King and his knights.
-
A.
Goodrich Castle
Goodrich Castle is a well-preserved medieval fortress in Herefordshire, England, renowned for its dramatic hilltop setting above the River Wye and its impressive 12th–13th century stone architecture.
-
B.
Vêves Castle
Vêves Castle is a well-preserved medieval fortress in Belgium renowned for its fairy-tale turrets and picturesque hilltop setting.
-
C.
Grosmont Castle
Grosmont Castle is a medieval stone fortress in the village of Grosmont in Monmouthshire, Wales, notable as one of the trio of castles guarding the Monnow Valley near the English border.
-
D.
Swallow's Nest castle
Swallow's Nest castle is a picturesque neo-Gothic clifftop castle overlooking the Black Sea in Crimea, famous as a symbol of the region and a popular tourist landmark.
-
E.
Red Castle
Red Castle is a ruined medieval fortress overlooking Lunan Bay on the east coast of Scotland.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Arthurian legend location
ⓘ
castle ⓘ fortress ⓘ mythical location ⓘ |
| alsoKnownAs |
Castle of Corbenic
ⓘ
Castle of the Grail ⓘ Corbenic ⓘ |
| appearsInTradition |
French Arthurian romance
ⓘ
German Arthurian romance ⓘ medieval Christian symbolism ⓘ |
| appearsInWork |
Le Morte d’Arthur
ⓘ
linked to:
Le Morte d'Arthur
Parzival ⓘ
linked to:
Castle of the Grail
Perceval, the Story of the Grail ⓘ
linked to:
Perceval, le Conte du Graal
Post-Vulgate Cycle ⓘ
linked to:
Vulgate Cycle
Vulgate Cycle ⓘ |
| associatedWithObject | Holy Grail ⓘ |
| centralTo |
Holy Grail quest
ⓘ
linked to:
Holy Grail legends
|
| connectedToMotif |
Fisher King
ⓘ
Wounded King ⓘ |
| guardedBy |
Grail King
ⓘ
linked to:
Fisher King
Grail knights ⓘ
linked to:
Knights of the Round Table
|
| guards | Holy Grail ⓘ |
| hasFeature |
Grail Chapel
ⓘ
enchanted defenses ⓘ mystical hall ⓘ |
| hasProperty |
difficult to reach
ⓘ
hidden ⓘ supernatural ⓘ |
| influenced |
Grail-themed operas
ⓘ
fantasy fiction depictions of holy castles ⓘ modern Grail literature ⓘ |
| inhabitedBy |
Grail King
ⓘ
linked to:
Fisher King
Grail knights ⓘ
linked to:
Knights of the Round Table
maidens of the Grail ⓘ |
| locatedInFictionalUniverse | Arthurian legend ⓘ |
| requires |
ritual question
ⓘ
worthy quester ⓘ |
| ruledBy |
Grail King
ⓘ
linked to:
Fisher King
|
| symbolizes |
divine grace
ⓘ
mystical knowledge ⓘ spiritual perfection ⓘ |
| visitedBy |
Galahad
ⓘ
linked to:
Sir Galahad
Gawain ⓘ Lancelot ⓘ
linked to:
Sir Lancelot
Parsifal ⓘ Perceval ⓘ |
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: Grail Castle Description of subject: Grail Castle is the mystical fortress in Arthurian legend where the Holy Grail is kept and guarded by the Grail King and his knights.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Grail Castle
linked to: Grail Castle
linked to: Grail Castle