Eustace IV, Count of Boulogne
E505769
Eustace IV, Count of Boulogne was a 12th-century French nobleman and heir to the English throne as the eldest son of King Stephen of England.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Eustace IV, Count of Boulogne canonical | 11 |
| Eustace IV of Boulogne | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5225305 — 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: Eustace IV, Count of Boulogne Context triple: [Eustace III, Count of Boulogne, notableDescendant, Eustace IV, Count of Boulogne]
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A.
Eustace III, Count of Boulogne
Eustace III, Count of Boulogne, was a prominent 11th–12th century French nobleman and crusader who ruled the strategically important County of Boulogne and was connected by marriage to the Scottish royal family.
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B.
Eustace II, Count of Boulogne
Eustace II, Count of Boulogne, was an 11th-century French nobleman and prominent supporter of William the Conqueror, noted for his role in the Norman Conquest of England and as the father of the First Crusade leader Godfrey of Bouillon.
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C.
Renaud de Dammartin, Count of Boulogne
Renaud de Dammartin, Count of Boulogne, was a powerful early 13th-century French nobleman and former ally of King Philip II who became one of the leading rebel lords opposing the French crown.
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D.
Godfrey de Saint-Omer
Godfrey de Saint-Omer was a 12th-century French nobleman and crusader recognized as one of the original founders of the Knights Templar.
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E.
James of France, Count of Ponthieu
James of France, Count of Ponthieu, was a 15th-century French prince and nobleman, notable as a younger son of King Charles VII of France and a member of the Valois royal family.
- 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: Eustace IV, Count of Boulogne Target entity description: Eustace IV, Count of Boulogne was a 12th-century French nobleman and heir to the English throne as the eldest son of King Stephen of England.
-
A.
Eustace III, Count of Boulogne
Eustace III, Count of Boulogne, was a prominent 11th–12th century French nobleman and crusader who ruled the strategically important County of Boulogne and was connected by marriage to the Scottish royal family.
-
B.
Eustace II, Count of Boulogne
Eustace II, Count of Boulogne, was an 11th-century French nobleman and prominent supporter of William the Conqueror, noted for his role in the Norman Conquest of England and as the father of the First Crusade leader Godfrey of Bouillon.
-
C.
Renaud de Dammartin, Count of Boulogne
Renaud de Dammartin, Count of Boulogne, was a powerful early 13th-century French nobleman and former ally of King Philip II who became one of the leading rebel lords opposing the French crown.
-
D.
Godfrey de Saint-Omer
Godfrey de Saint-Omer was a 12th-century French nobleman and crusader recognized as one of the original founders of the Knights Templar.
-
E.
James of France, Count of Ponthieu
James of France, Count of Ponthieu, was a 15th-century French prince and nobleman, notable as a younger son of King Charles VII of France and a member of the Valois royal family.
- F. None of above. chosen
Statements (46)
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: Eustace IV, Count of Boulogne Description of subject: Eustace IV, Count of Boulogne was a 12th-century French nobleman and heir to the English throne as the eldest son of King Stephen of England.
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Eustace IV, Count of Boulogne
linked to: Eustace IV, Count of Boulogne