Afonso, 1st Duke of Braganza
E564247
Afonso, 1st Duke of Braganza was a prominent 15th-century Portuguese nobleman and statesman who became one of the most powerful figures in the kingdom and the progenitor of a dynasty that would later rule Portugal and Brazil.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Afonso, 1st Duke of Braganza canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4903283 — 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: Afonso, 1st Duke of Braganza Context triple: [House of Braganza, founder, Afonso, 1st Duke of Braganza]
-
A.
Constantino de Bragança
Constantino de Bragança was a 16th-century Portuguese nobleman and military leader who played a key role in consolidating Portugal’s colonial power in Asia.
-
B.
Dom Pedro, Duke of Braganza
Dom Pedro, Duke of Braganza was the former Emperor of Brazil and King Pedro IV of Portugal who played a central role in securing Portugal’s constitutional monarchy during the Liberal Wars.
-
C.
Miguel da Paz, Prince of Portugal
Miguel da Paz, Prince of Portugal was an infant heir apparent to the thrones of Portugal, Castile, and Aragon whose early death ended hopes of uniting the Iberian crowns under a single monarch.
-
D.
Peter I of Portugal
Peter I of Portugal was a 14th-century Portuguese king best known for his turbulent reign and tragic love story with Inês de Castro.
-
E.
John Manuel, Prince of Portugal
John Manuel, Prince of Portugal was a 16th-century Portuguese infante and heir apparent to the throne whose early death prevented him from becoming king.
- 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: Afonso, 1st Duke of Braganza Target entity description: Afonso, 1st Duke of Braganza was a prominent 15th-century Portuguese nobleman and statesman who became one of the most powerful figures in the kingdom and the progenitor of a dynasty that would later rule Portugal and Brazil.
-
A.
Constantino de Bragança
Constantino de Bragança was a 16th-century Portuguese nobleman and military leader who played a key role in consolidating Portugal’s colonial power in Asia.
-
B.
Dom Pedro, Duke of Braganza
Dom Pedro, Duke of Braganza was the former Emperor of Brazil and King Pedro IV of Portugal who played a central role in securing Portugal’s constitutional monarchy during the Liberal Wars.
-
C.
Miguel da Paz, Prince of Portugal
Miguel da Paz, Prince of Portugal was an infant heir apparent to the thrones of Portugal, Castile, and Aragon whose early death ended hopes of uniting the Iberian crowns under a single monarch.
-
D.
Peter I of Portugal
Peter I of Portugal was a 14th-century Portuguese king best known for his turbulent reign and tragic love story with Inês de Castro.
-
E.
John Manuel, Prince of Portugal
John Manuel, Prince of Portugal was a 16th-century Portuguese infante and heir apparent to the throne whose early death prevented him from becoming king.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
duke
ⓘ
medieval Portuguese person ⓘ nobleman ⓘ statesman ⓘ |
| allegiance |
Afonso V of Portugal
NERFINISHED
ⓘ
Duarte I of Portugal NERFINISHED ⓘ John I of Portugal NERFINISHED ⓘ |
| appointedBy | Afonso V of Portugal NERFINISHED ⓘ |
| burialPlace | Chapel of Our Lady of Piety, Guimarães Castle NERFINISHED ⓘ |
| child |
Afonso, 1st Marquis of Valença
NERFINISHED
ⓘ
Fernando I, Duke of Braganza NERFINISHED ⓘ Isabel of Braganza NERFINISHED ⓘ |
| countryOfCitizenship | Kingdom of Portugal NERFINISHED ⓘ |
| dateOfBirth | 1377 ⓘ |
| dateOfDeath | 1461-12-15 ⓘ |
| era |
15th century
ⓘ
Late Middle Ages ⓘ |
| familyName | de Bragança NERFINISHED ⓘ |
| father | John I of Portugal NERFINISHED ⓘ |
| founderOf | House of Braganza NERFINISHED ⓘ |
| givenName | Afonso NERFINISHED ⓘ |
| languageSpoken | Portuguese ⓘ |
| memberOf | House of Braganza NERFINISHED ⓘ |
| militaryConflict |
1383–1385 Crisis
ⓘ
Battle of Aljubarrota NERFINISHED ⓘ |
| mother | Inês Pires NERFINISHED ⓘ |
| nobleRank | high nobility ⓘ |
| nobleTitle |
1st Duke of Braganza
NERFINISHED
ⓘ
8th Count of Barcelos ⓘ |
| notableFor |
being the first Duke of Braganza
ⓘ
establishing one of the most powerful noble houses in Portugal ⓘ loyal service to the Avis dynasty ⓘ |
| placeOfBirth | Portugal NERFINISHED ⓘ |
| placeOfDeath | Chaves, Portugal NERFINISHED ⓘ |
| positionHeld |
Constable of Portugal
NERFINISHED
ⓘ
Count of Barcelos NERFINISHED ⓘ Duke of Braganza NERFINISHED ⓘ member of the Portuguese royal council ⓘ |
| progenitorOf |
Braganza dynasty
NERFINISHED
ⓘ
Brazilian branch of the House of Braganza ⓘ Portuguese branch of the House of Braganza ⓘ |
| regionOfActivity | northern Portugal NERFINISHED ⓘ |
| religion | Roman Catholicism ⓘ |
| residence | Braganza, Portugal NERFINISHED ⓘ |
| spouse |
Beatriz Pereira de Alvim
NERFINISHED
ⓘ
Constance of Noronha NERFINISHED ⓘ |
| successor | Fernando I, Duke of Braganza NERFINISHED ⓘ |
| titleCreatedBy | Afonso V of Portugal 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: Afonso, 1st Duke of Braganza Description of subject: Afonso, 1st Duke of Braganza was a prominent 15th-century Portuguese nobleman and statesman who became one of the most powerful figures in the kingdom and the progenitor of a dynasty that would later rule Portugal and Brazil.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.