John I, Duke of Brabant
E795523
John I, Duke of Brabant was a 13th-century Low Countries ruler celebrated as a chivalric prince, military leader, and patron of culture whose reign marked the height of Brabant’s medieval power.
All labels observed (2)
| Label | Occurrences |
|---|---|
| John I, Duke of Brabant canonical | 10 |
| John I of Brabant | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9259476 — 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: John I, Duke of Brabant Context triple: [House of Reginar, notableMember, John I, Duke of Brabant]
-
A.
John II, Duke of Brabant
John II, Duke of Brabant was a late 13th- and early 14th-century ruler of the Duchy of Brabant in the Low Countries, known for his political alliances and efforts to consolidate ducal authority.
-
B.
John III, Duke of Brabant
John III, Duke of Brabant was a 14th-century ruler of the Duchy of Brabant and Lothier, known for his political maneuvering within the Holy Roman Empire and conflicts with neighboring powers such as Flanders.
-
C.
Henry III, Duke of Brabant
Henry III, Duke of Brabant was a 13th-century nobleman who ruled the Duchy of Brabant and played a significant role in the politics of the Low Countries within the Holy Roman Empire.
-
D.
Henry I, Duke of Brabant
Henry I, Duke of Brabant was a prominent 12th–13th century nobleman who significantly expanded and consolidated the power of his dynasty in the Low Countries.
-
E.
Henry II, Duke of Brabant
Henry II, Duke of Brabant was a 13th-century nobleman who ruled the Duchy of Brabant and played a significant role in the politics of the Holy Roman Empire.
- 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: John I, Duke of Brabant Target entity description: John I, Duke of Brabant was a 13th-century Low Countries ruler celebrated as a chivalric prince, military leader, and patron of culture whose reign marked the height of Brabant’s medieval power.
-
A.
John II, Duke of Brabant
John II, Duke of Brabant was a late 13th- and early 14th-century ruler of the Duchy of Brabant in the Low Countries, known for his political alliances and efforts to consolidate ducal authority.
-
B.
John III, Duke of Brabant
John III, Duke of Brabant was a 14th-century ruler of the Duchy of Brabant and Lothier, known for his political maneuvering within the Holy Roman Empire and conflicts with neighboring powers such as Flanders.
-
C.
Henry III, Duke of Brabant
Henry III, Duke of Brabant was a 13th-century nobleman who ruled the Duchy of Brabant and played a significant role in the politics of the Low Countries within the Holy Roman Empire.
-
D.
Henry I, Duke of Brabant
Henry I, Duke of Brabant was a prominent 12th–13th century nobleman who significantly expanded and consolidated the power of his dynasty in the Low Countries.
-
E.
Henry II, Duke of Brabant
Henry II, Duke of Brabant was a 13th-century nobleman who ruled the Duchy of Brabant and played a significant role in the politics of the Holy Roman Empire.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
chivalric prince
ⓘ
duke ⓘ human ⓘ medieval ruler ⓘ military leader ⓘ nobleman ⓘ patron of culture ⓘ |
| burialPlace | Saint Peter's Church, Leuven NERFINISHED ⓘ |
| centuryOfActivity | 13th century ⓘ |
| child | John II, Duke of Brabant NERFINISHED ⓘ |
| conflict | War of the Limburg Succession NERFINISHED ⓘ |
| countryOfCitizenship | Duchy of Brabant NERFINISHED ⓘ |
| dateOfBirth |
1252
ⓘ
1253 ⓘ |
| dateOfDeath | 1294-05-03 ⓘ |
| father | Henry III, Duke of Brabant NERFINISHED ⓘ |
| givenName | John NERFINISHED ⓘ |
| language | Middle Dutch NERFINISHED ⓘ |
| mannerOfDeath | accident ⓘ |
| mother | Adelaide of Burgundy, Duchess of Brabant NERFINISHED ⓘ |
| nobleFamily | Reginar dynasty NERFINISHED ⓘ |
| notableEvent | Battle of Worringen NERFINISHED ⓘ |
| notableFor |
chivalry
ⓘ
military leadership ⓘ patronage of culture ⓘ strengthening the power of Brabant ⓘ |
| notableWork | Charter of Cortenbergh NERFINISHED ⓘ |
| participantIn | Battle of Worringen NERFINISHED ⓘ |
| placeOfBirth | Leuven NERFINISHED ⓘ |
| placeOfDeath | Bar-le-Duc NERFINISHED ⓘ |
| positionHeld |
Duke of Brabant
NERFINISHED
ⓘ
Duke of Limburg NERFINISHED ⓘ Duke of Lothier NERFINISHED ⓘ |
| regionRuled |
Brabant
NERFINISHED
ⓘ
Limburg NERFINISHED ⓘ Lothier NERFINISHED ⓘ |
| reignEnd | 1294 ⓘ |
| reignStart | 1267 ⓘ |
| religion |
Roman Catholicism
ⓘ
surface form:
Catholic Church
|
| residence |
Brussels, Belgium
ⓘ
surface form:
Brussels
Leuven NERFINISHED ⓘ |
| sexOrGender | male ⓘ |
| spouse |
Margaret of Flanders
NERFINISHED
ⓘ
Margaret of France, Duchess of Brabant NERFINISHED ⓘ |
| title |
Duke of Brabant
NERFINISHED
ⓘ
Duke of Limburg NERFINISHED ⓘ Duke of Lothier NERFINISHED ⓘ |
| victoryIn | Battle of Worringen 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: John I, Duke of Brabant Description of subject: John I, Duke of Brabant was a 13th-century Low Countries ruler celebrated as a chivalric prince, military leader, and patron of culture whose reign marked the height of Brabant’s medieval power.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
John I of Brabant
subject surface form:
Battle of Worringen
subject surface form:
Battle of Worringen
subject surface form:
John II, Duke of Brabant
subject surface form:
John II, Duke of Brabant