William IX, Duke of Aquitaine
E496461
William IX, Duke of Aquitaine was an 11th–12th century French nobleman famed both as a powerful feudal ruler and as one of the earliest known troubadour poets in the Occitan language.
All labels observed (2)
| Label | Occurrences |
|---|---|
| William IX of Aquitaine | 2 |
| William IX, Duke of Aquitaine canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5000774 — 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, Duke of Aquitaine Context triple: [Count of Poitiers, hasTitleHolder, William IX, Duke of Aquitaine]
-
A.
William IX, Count of Poitiers
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.
-
B.
William I, Duke of Aquitaine
William I, Duke of Aquitaine was a powerful 10th-century French nobleman and military leader renowned for his pivotal role in monastic reform and support of the Church.
-
C.
William X, Duke of Aquitaine
William X, Duke of Aquitaine was a 12th-century French nobleman and crusader, notable as the last independent Duke of Aquitaine and father of Eleanor of Aquitaine.
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D.
William of Aumale
William of Aumale was a 12th-century Anglo-Norman nobleman and military leader who held the title of Earl of York and played a significant role in the politics of King Stephen’s reign.
-
E.
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.
- 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, Duke of Aquitaine Target entity description: William IX, Duke of Aquitaine was an 11th–12th century French nobleman famed both as a powerful feudal ruler and as one of the earliest known troubadour poets in the Occitan language.
-
A.
William IX, Count of Poitiers
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.
-
B.
William I, Duke of Aquitaine
William I, Duke of Aquitaine was a powerful 10th-century French nobleman and military leader renowned for his pivotal role in monastic reform and support of the Church.
-
C.
William X, Duke of Aquitaine
William X, Duke of Aquitaine was a 12th-century French nobleman and crusader, notable as the last independent Duke of Aquitaine and father of Eleanor of Aquitaine.
-
D.
William of Aumale
William of Aumale was a 12th-century Anglo-Norman nobleman and military leader who held the title of Earl of York and played a significant role in the politics of King Stephen’s reign.
-
E.
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.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Duke
ⓘ
Occitan-language poet ⓘ human ⓘ nobleman ⓘ troubadour ⓘ |
| centuryOfActivity |
11th century
ⓘ
12th century ⓘ |
| child |
Agnes of Aquitaine
NERFINISHED
ⓘ
Ema of Aquitaine NERFINISHED ⓘ Philippa of Aquitaine NERFINISHED ⓘ Raymond of Poitiers NERFINISHED ⓘ William X, Duke of Aquitaine NERFINISHED ⓘ |
| countryOfCitizenship | France ⓘ |
| dateOfBirth | 1071 ⓘ |
| dateOfDeath | 10 February 1127 ⓘ |
| era | High Middle Ages ⓘ |
| father | William VIII, Duke of Aquitaine NERFINISHED ⓘ |
| givenName | William ⓘ |
| grandparentOf | Eleanor of Aquitaine NERFINISHED ⓘ |
| house | House of Poitiers NERFINISHED ⓘ |
| languageOfWorkOrName | Occitan NERFINISHED ⓘ |
| mother | Hildegarde of Burgundy NERFINISHED ⓘ |
| movement | troubadour tradition ⓘ |
| nobleTitle |
Count of Poitiers
NERFINISHED
ⓘ
Duke of Aquitaine NERFINISHED ⓘ Duke of Gascony NERFINISHED ⓘ |
| notableFor |
being a powerful feudal ruler in southwestern France
ⓘ
being one of the earliest known troubadours ⓘ writing lyric poetry in Occitan ⓘ |
| notableWork | Early troubadour lyric poems ⓘ |
| occupation |
feudal ruler
ⓘ
poet ⓘ troubadour ⓘ |
| participatedIn |
Crusade of 1101
NERFINISHED
ⓘ
First Crusade NERFINISHED ⓘ |
| placeOfBirth | Aquitaine NERFINISHED ⓘ |
| placeOfDeath | Poitiers NERFINISHED ⓘ |
| positionHeld |
Count of Poitiers
NERFINISHED
ⓘ
Duke of Aquitaine NERFINISHED ⓘ Duke of Gascony NERFINISHED ⓘ |
| regionRuled |
County of Poitiers
NERFINISHED
ⓘ
Duchy of Aquitaine NERFINISHED ⓘ Duchy of Gascony NERFINISHED ⓘ |
| reignEnd | 1126 ⓘ |
| reignStart | 1086 ⓘ |
| relative | Eleanor of Aquitaine NERFINISHED ⓘ |
| religion |
Roman Catholicism
ⓘ
surface form:
Catholicism
|
| sexOrGender | male ⓘ |
| spouse | Philippa of Toulouse NERFINISHED ⓘ |
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, Duke of Aquitaine Description of subject: William IX, Duke of Aquitaine was an 11th–12th century French nobleman famed both as a powerful feudal ruler and as one of the earliest known troubadour poets in the Occitan language.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
William IX of Aquitaine
this entity surface form:
William IX of Aquitaine