William Douglas, 1st Earl of March
E1037934
William Douglas, 1st Earl of March, was a prominent Scottish nobleman of the powerful Douglas family who played a significant role in the turbulent politics of late medieval Scotland.
All labels observed (1)
| Label | Occurrences |
|---|---|
| William Douglas, 1st Earl of March canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13192928 — 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: William Douglas, 1st Earl of March Context triple: [William Douglas, 2nd Earl of March, father, William Douglas, 1st Earl of March]
-
A.
William Douglas, 2nd Earl of March
William Douglas, 2nd Earl of March, was an 18th-century Scottish nobleman and politician from the influential Douglas family, whose titles and estates later passed to his son, the 4th Duke of Queensberry.
-
B.
1st Earl of March
The 1st Earl of March was an English noble title held by Roger Mortimer, a powerful medieval magnate central to the deposition of King Edward II.
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C.
3rd Earl of March
The 3rd Earl of March was a Scottish noble title in the Douglas family, later associated with William Douglas, 4th Duke of Queensberry, during the 18th century.
-
D.
Humphrey Stafford, Duke of Buckingham
Humphrey Stafford, Duke of Buckingham, was a powerful 15th-century English nobleman and military leader who played a prominent role in the early stages of the Wars of the Roses.
-
E.
John Talbot, 1st Earl of Shrewsbury
John Talbot, 1st Earl of Shrewsbury, was a prominent English military commander of the Hundred Years' War, renowned for his aggressive tactics and campaigns in France.
- 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: William Douglas, 1st Earl of March Target entity description: William Douglas, 1st Earl of March, was a prominent Scottish nobleman of the powerful Douglas family who played a significant role in the turbulent politics of late medieval Scotland.
-
A.
William Douglas, 2nd Earl of March
William Douglas, 2nd Earl of March, was an 18th-century Scottish nobleman and politician from the influential Douglas family, whose titles and estates later passed to his son, the 4th Duke of Queensberry.
-
B.
1st Earl of March
The 1st Earl of March was an English noble title held by Roger Mortimer, a powerful medieval magnate central to the deposition of King Edward II.
-
C.
3rd Earl of March
The 3rd Earl of March was a Scottish noble title in the Douglas family, later associated with William Douglas, 4th Duke of Queensberry, during the 18th century.
-
D.
Humphrey Stafford, Duke of Buckingham
Humphrey Stafford, Duke of Buckingham, was a powerful 15th-century English nobleman and military leader who played a prominent role in the early stages of the Wars of the Roses.
-
E.
John Talbot, 1st Earl of Shrewsbury
John Talbot, 1st Earl of Shrewsbury, was a prominent English military commander of the Hundred Years' War, renowned for his aggressive tactics and campaigns in France.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
Earl
ⓘ
Scottish nobleman ⓘ peer of Scotland ⓘ |
| activity |
feudal lordship
ⓘ
military leadership ⓘ political leadership ⓘ |
| aristocraticFamily | Douglas family NERFINISHED ⓘ |
| aristocraticTitle | Earl ⓘ |
| associatedWith |
Anglo-Scottish border conflicts
ⓘ
Scottish Crown NERFINISHED ⓘ |
| country | Kingdom of Scotland ⓘ |
| era | Late Middle Ages ⓘ |
| ethnicity | Scottish ⓘ |
| feudalSystem | Scottish feudalism ⓘ |
| gender | male ⓘ |
| governed | lands in the Scottish Borders ⓘ |
| governedFrom | Dunbar (traditional seat of the Earls of March) NERFINISHED ⓘ |
| heldJurisdictionOver | tenants and vassals in his March lordship ⓘ |
| historicalContext | turbulent politics of medieval Scotland ⓘ |
| language | Scots ⓘ |
| memberOf | Douglas family NERFINISHED ⓘ |
| militaryFunction | defence of the Scottish Borders ⓘ |
| nobleFamily | House of Douglas NERFINISHED ⓘ |
| nobleRank | earl ⓘ |
| nobleStatus | hereditary peer ⓘ |
| notableFor |
involvement in Anglo-Scottish border affairs
ⓘ
role in late medieval Scottish politics ⓘ |
| partOf | Scottish nobility ⓘ |
| politicalAlignment | Scottish monarchy NERFINISHED ⓘ |
| politicalRole |
regional power-broker
ⓘ
royal vassal ⓘ |
| positionHeld |
Scottish magnate
ⓘ
border lord ⓘ |
| powerBase | eastern Scottish Borders ⓘ |
| region | Lowlands of Scotland NERFINISHED ⓘ |
| religion |
Roman Catholicism
ⓘ
surface form:
Roman Catholic Church
|
| socialClass | high nobility ⓘ |
| title |
Earl of March
NERFINISHED
ⓘ
Lord of Dunbar NERFINISHED ⓘ |
| typeOfNoble | border earl ⓘ |
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: William Douglas, 1st Earl of March Description of subject: William Douglas, 1st Earl of March, was a prominent Scottish nobleman of the powerful Douglas family who played a significant role in the turbulent politics of late medieval Scotland.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.