Berkhamsted Castle

E183963

medieval castle motte-and-bailey castle scheduled monument tourist attraction

Berkhamsted Castle is a medieval motte-and-bailey fortress in Hertfordshire, England, historically significant as a royal stronghold and residence of notable figures including Richard, 1st Earl of Cornwall.

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All labels observed (2)

Label	Occurrences
Berkhamsted Castle canonical	9
Berkhamsted Castle grounds	1

How this entity was disambiguated

This entity first appeared as the object of triple T1616039 — 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: Berkhamsted Castle
Context triple: [Richard, 1st Earl of Cornwall, placeOfDeath, Berkhamsted Castle]

A. Farnham Castle
Farnham Castle is a historic medieval fortress and former bishops’ palace in Farnham, Surrey, known for its Norman architecture and commanding views over the surrounding town and countryside.
B. Bolsover Castle
Bolsover Castle is a 17th-century hilltop mansion and former fortress in Derbyshire, England, renowned for its ornate interiors, riding school, and panoramic views over the surrounding countryside.
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. Leeds Castle
Leeds Castle is a historic fortified manor house in Kent, England, renowned for its picturesque setting on islands in a lake and its long royal and noble associations.
E. Old Sarum
Old Sarum was a notorious English "rotten borough" parliamentary constituency with virtually no residents, long used to control seats in the House of Commons before electoral reform.
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: Berkhamsted Castle
Target entity description: Berkhamsted Castle is a medieval motte-and-bailey fortress in Hertfordshire, England, historically significant as a royal stronghold and residence of notable figures including Richard, 1st Earl of Cornwall.

A. Farnham Castle
Farnham Castle is a historic medieval fortress and former bishops’ palace in Farnham, Surrey, known for its Norman architecture and commanding views over the surrounding town and countryside.
B. Bolsover Castle
Bolsover Castle is a 17th-century hilltop mansion and former fortress in Derbyshire, England, renowned for its ornate interiors, riding school, and panoramic views over the surrounding countryside.
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. Leeds Castle
Leeds Castle is a historic fortified manor house in Kent, England, renowned for its picturesque setting on islands in a lake and its long royal and noble associations.
E. Old Sarum
Old Sarum was a notorious English "rotten borough" parliamentary constituency with virtually no residents, long used to control seats in the House of Commons before electoral reform.
F. None of above. chosen

Statements (48)

Predicate	Object
instanceOf	medieval castle ⓘ motte-and-bailey castle ⓘ scheduled monument ⓘ tourist attraction ⓘ
builder	Normans ⓘ
builtFor	William the Conqueror ⓘ
category	Castles in Hertfordshire ⓘ Ruined castles in England ⓘ Tourist attractions in Hertfordshire ⓘ
constructionBegan	11th century ⓘ
controlledBy	English Heritage ⓘ
country	United Kingdom ⓘ
currentCondition	ruin ⓘ
function	to control the route along the Bulbourne valley ⓘ to guard the approach to London from the northwest ⓘ
hasFeature	bailey ⓘ earthworks ⓘ gatehouse (ruined) ⓘ moat ⓘ motte ⓘ stone curtain wall (ruined) ⓘ
hasType	motte-and-bailey fortress ⓘ
heritageDesignation	Grade I listed building ⓘ Scheduled Monument ⓘ
historicalPeriod	Middle Ages ⓘ Norman period ⓘ linked to: Norman expansion
locatedIn	England ⓘ Hertfordshire ⓘ United Kingdom ⓘ
location	Berkhamsted ⓘ
maintainedBy	English Heritage ⓘ
material	earth ⓘ stone (later additions) ⓘ timber (originally) ⓘ
nearby	Berkhamsted railway station ⓘ Grand Union Canal ⓘ
notableEvent	surrender of English nobles to William the Conqueror in 1066 ⓘ
notableResident	Cecily Neville, Duchess of York ⓘ Edward, the Black Prince ⓘ linked to: Edward the Black Prince Richard, 1st Earl of Cornwall ⓘ Thomas Becket ⓘ linked to: Saint Thomas Becket
openToPublic	true ⓘ
ownedBy	The Crown ⓘ linked to: the Crown
region	East of England ⓘ
usedAs	administrative centre ⓘ military fortress ⓘ royal residence ⓘ royal stronghold ⓘ

How these facts were elicited

Referenced by (10)

Full triples — surface form annotated when it differs from this entity's canonical label.

Richard, 1st Earl of Cornwall → placeOfDeath → Berkhamsted Castle ⓘ

Berkhamsted → hasLandmark → Berkhamsted Castle ⓘ

Berkhamsted → hasOpenSpace → Berkhamsted Castle grounds ⓘ

linked to: Berkhamsted Castle

Cecily Neville, Duchess of York → placeOfDeath → Berkhamsted Castle ⓘ

Isabel Marshal → deathPlace → Berkhamsted Castle ⓘ

Sanchia of Provence → placeOfDeath → Berkhamsted Castle ⓘ

Berkhamsted railway station → adjacentTo → Berkhamsted Castle ⓘ

Berkhamsted → hasFeature → Berkhamsted Castle ⓘ

subject linked to: Berkhamsted, Hertfordshire, England