William IX, Count of Poitiers
E149872
William IX, Count of Poitiers was the eldest son and heir of Eleanor of Aquitaine and King Louis VII of France, whose early death in childhood altered the succession of the Angevin and Aquitanian realms.
All labels observed (3)
| Label | Occurrences |
|---|---|
| William IX, Count of Poitiers canonical | 2 |
| William IX of Poitiers | 1 |
| William, Count of Poitou | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1074309 — 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 IX, Count of Poitiers Context triple: [Eleanor of Aquitaine, child, William IX, Count of Poitiers]
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A.
Geoffrey II, Duke of Brittany
Geoffrey II, Duke of Brittany was a 12th-century French nobleman, son of Henry II of England and brother of Richard the Lionheart, who ruled Brittany through his marriage to Constance and died young in a tournament accident.
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B.
Raymond IV of Toulouse
Raymond IV of Toulouse was a prominent 11th-century French nobleman and one of the principal leaders of the First Crusade, noted for his piety, military influence, and role in the capture of Jerusalem.
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C.
Fulk III Nerra
Fulk III Nerra was an influential early 11th-century French nobleman renowned for his military campaigns, extensive castle-building, and role in strengthening the power of Anjou.
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D.
Hugh of Vermandois
Hugh of Vermandois was a French nobleman and younger brother of King Philip I of France who served as one of the prominent princely leaders during the First Crusade.
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E.
Fulk V of Anjou
Fulk V of Anjou was a 12th-century French nobleman who became King of Jerusalem and founder of the Angevin royal line that later ruled England.
- 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 IX, Count of Poitiers Target entity description: William IX, Count of Poitiers was the eldest son and heir of Eleanor of Aquitaine and King Louis VII of France, whose early death in childhood altered the succession of the Angevin and Aquitanian realms.
-
A.
Geoffrey II, Duke of Brittany
Geoffrey II, Duke of Brittany was a 12th-century French nobleman, son of Henry II of England and brother of Richard the Lionheart, who ruled Brittany through his marriage to Constance and died young in a tournament accident.
-
B.
Raymond IV of Toulouse
Raymond IV of Toulouse was a prominent 11th-century French nobleman and one of the principal leaders of the First Crusade, noted for his piety, military influence, and role in the capture of Jerusalem.
-
C.
Fulk III Nerra
Fulk III Nerra was an influential early 11th-century French nobleman renowned for his military campaigns, extensive castle-building, and role in strengthening the power of Anjou.
-
D.
Hugh of Vermandois
Hugh of Vermandois was a French nobleman and younger brother of King Philip I of France who served as one of the prominent princely leaders during the First Crusade.
-
E.
Fulk V of Anjou
Fulk V of Anjou was a 12th-century French nobleman who became King of Jerusalem and founder of the Angevin royal line that later ruled England.
- F. None of above. chosen
Statements (40)
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 IX, Count of Poitiers Description of subject: William IX, Count of Poitiers was the eldest son and heir of Eleanor of Aquitaine and King Louis VII of France, whose early death in childhood altered the succession of the Angevin and Aquitanian realms.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
William IX of Poitiers
this entity surface form:
William, Count of Poitou