Walter de Lacy
E557314
11th-century English person
12th-century English person
Marcher lord
Norman nobleman
medieval soldier
Walter de Lacy was a prominent Norman noble and Marcher lord of the late 11th and early 12th centuries, known for his role in consolidating Norman control over the Welsh borderlands.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Walter de Lacy canonical | 2 |
| Walter de Lacy, Lord of Meath | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5926081 — 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: Walter de Lacy Context triple: [Ludlow Castle, foundedBy, Walter de Lacy]
-
A.
Edmund de Burgh
Edmund de Burgh was a member of the powerful Anglo-Norman de Burgh family in medieval Ireland, connected by kinship to Elizabeth de Burgh, Queen of Scots.
-
B.
Ilbert de Lacy
Ilbert de Lacy was an 11th-century Norman baron and landholder in England, noted as a prominent supporter of William the Conqueror and an early feudal lord in Yorkshire.
-
C.
John de Burgh
John de Burgh was an Anglo-Irish nobleman of the early 14th century, heir to the Earldom of Ulster and a member of the powerful de Burgh (Burke) dynasty.
-
D.
William de Soulis
William de Soulis was a notorious 14th-century Scottish noble and alleged traitor, historically linked with dark legends and the ownership of Hermitage Castle in the Scottish Borders.
-
E.
Gilbert de Clare, Earl of Gloucester
Gilbert de Clare, Earl of Gloucester, was a powerful 13th-century English nobleman and military leader who played a pivotal role in the conflicts between the crown and the barons, particularly during the reign of Henry III and Edward I.
- 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: Walter de Lacy Target entity description: Walter de Lacy was a prominent Norman noble and Marcher lord of the late 11th and early 12th centuries, known for his role in consolidating Norman control over the Welsh borderlands.
-
A.
Edmund de Burgh
Edmund de Burgh was a member of the powerful Anglo-Norman de Burgh family in medieval Ireland, connected by kinship to Elizabeth de Burgh, Queen of Scots.
-
B.
Ilbert de Lacy
Ilbert de Lacy was an 11th-century Norman baron and landholder in England, noted as a prominent supporter of William the Conqueror and an early feudal lord in Yorkshire.
-
C.
John de Burgh
John de Burgh was an Anglo-Irish nobleman of the early 14th century, heir to the Earldom of Ulster and a member of the powerful de Burgh (Burke) dynasty.
-
D.
William de Soulis
William de Soulis was a notorious 14th-century Scottish noble and alleged traitor, historically linked with dark legends and the ownership of Hermitage Castle in the Scottish Borders.
-
E.
Gilbert de Clare, Earl of Gloucester
Gilbert de Clare, Earl of Gloucester, was a powerful 13th-century English nobleman and military leader who played a pivotal role in the conflicts between the crown and the barons, particularly during the reign of Henry III and Edward I.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
11th-century English person
ⓘ
12th-century English person ⓘ Marcher lord ⓘ Norman nobleman ⓘ medieval soldier ⓘ |
| activePeriod |
early 12th century
ⓘ
late 11th century ⓘ |
| allegiance | Norman kings of England NERFINISHED ⓘ |
| borderRole |
defence of the Welsh borderlands
ⓘ
expansion of Norman influence into Wales ⓘ |
| country | Kingdom of England ⓘ |
| era | High Middle Ages ⓘ |
| ethnicOrigin | Norman ⓘ |
| feudalSystem | Norman feudalism in England ⓘ |
| governedTerritoryType | Marcher lordship ⓘ |
| landholdingsRegion |
Berkshire
NERFINISHED
ⓘ
Cheshire NERFINISHED ⓘ Cornwall NERFINISHED ⓘ Devon NERFINISHED ⓘ Gloucestershire NERFINISHED ⓘ Herefordshire NERFINISHED ⓘ Lincolnshire NERFINISHED ⓘ Oxfordshire NERFINISHED ⓘ Shropshire NERFINISHED ⓘ Somerset NERFINISHED ⓘ Warwickshire NERFINISHED ⓘ Welsh Marches NERFINISHED ⓘ Worcestershire NERFINISHED ⓘ Yorkshire NERFINISHED ⓘ |
| language |
Latin
ⓘ
Norman French NERFINISHED ⓘ |
| militaryFunction | castle building and garrisoning in the Welsh Marches ⓘ |
| nobleFamily | de Lacy family NERFINISHED ⓘ |
| nobleRank | baron ⓘ |
| notableFor |
consolidating Norman control over the Welsh borderlands
ⓘ
role in the Norman conquest of the Welsh Marches ⓘ |
| occupation |
nobleman
ⓘ
soldier ⓘ |
| participatedIn | Norman Conquest of England NERFINISHED ⓘ |
| position | tenant-in-chief of the king of England ⓘ |
| region |
England
ⓘ
Welsh Marches NERFINISHED ⓘ |
| religion |
Roman Catholicism
ⓘ
surface form:
Catholicism
|
| socialClass | feudal aristocracy ⓘ |
| supported | William the Conqueror NERFINISHED ⓘ |
| title |
Lord of Weobley
NERFINISHED
ⓘ
Marcher lord ⓘ |
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: Walter de Lacy Description of subject: Walter de Lacy was a prominent Norman noble and Marcher lord of the late 11th and early 12th centuries, known for his role in consolidating Norman control over the Welsh borderlands.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Walter de Lacy, Lord of Meath