Prince Duarte of Portugal
E372304
Prince Duarte of Portugal was a Portuguese infante and military leader from the House of Aviz, notable for his role in early 15th-century North African campaigns that marked the beginning of Portugal’s overseas expansion.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Prince Duarte of Portugal canonical | 1 |
| Prince Pedro of Portugal | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3533658 — 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: Prince Duarte of Portugal Context triple: [Conquest of Ceuta, commandedBy, Prince Duarte of Portugal]
-
A.
Prince Antônio of Orléans-Braganza
Prince Antônio of Orléans-Braganza is a Brazilian prince and member of the former imperial family of Brazil, descended from both the House of Orléans and the House of Braganza.
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B.
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.
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C.
Miguel, Prince of Beira
Miguel, Prince of Beira was a Portuguese infante of the 19th century, notable as the son of Emperor Dom Pedro I of Brazil and a member of the Braganza dynasty.
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D.
Peter II of Portugal
Peter II of Portugal was a late 17th- and early 18th-century king of Portugal known for consolidating royal power and overseeing economic growth during a period of relative stability.
-
E.
Afonso, Prince of Portugal
Afonso, Prince of Portugal was the eldest son and heir apparent of King John III of Portugal, whose early death prevented him from ascending the throne.
- 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: Prince Duarte of Portugal Target entity description: Prince Duarte of Portugal was a Portuguese infante and military leader from the House of Aviz, notable for his role in early 15th-century North African campaigns that marked the beginning of Portugal’s overseas expansion.
-
A.
Prince Antônio of Orléans-Braganza
Prince Antônio of Orléans-Braganza is a Brazilian prince and member of the former imperial family of Brazil, descended from both the House of Orléans and the House of Braganza.
-
B.
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.
-
C.
Miguel, Prince of Beira
Miguel, Prince of Beira was a Portuguese infante of the 19th century, notable as the son of Emperor Dom Pedro I of Brazil and a member of the Braganza dynasty.
-
D.
Peter II of Portugal
Peter II of Portugal was a late 17th- and early 18th-century king of Portugal known for consolidating royal power and overseeing economic growth during a period of relative stability.
-
E.
Afonso, Prince of Portugal
Afonso, Prince of Portugal was the eldest son and heir apparent of King John III of Portugal, whose early death prevented him from ascending the throne.
- F. None of above. chosen
Statements (20)
| Predicate | Object |
|---|---|
| instanceOf |
Portuguese infante
ⓘ
human ⓘ military leader ⓘ prince ⓘ |
| conflict | Portuguese campaigns in North Africa ⓘ |
| continentOfMilitaryActivity | Africa ⓘ |
| countryOfCitizenship | Kingdom of Portugal ⓘ |
| dynasty | House of Aviz ⓘ |
| ethnicGroup | Portuguese ⓘ |
| givenName | Duarte ⓘ |
| memberOf | House of Aviz ⓘ |
| militaryBranch | Portuguese forces in North Africa ⓘ |
| movement | early Portuguese expansion into Africa ⓘ |
| nobleTitle | infante of Portugal ⓘ |
| notableFor |
participation in early 15th-century North African campaigns
ⓘ
role in the beginning of Portugal’s overseas expansion ⓘ |
| partOf | Portuguese nobility ⓘ |
| positionHeld | infante of Portugal ⓘ |
| regionOfMilitaryActivity | North Africa ⓘ |
| sexOrGender | male ⓘ |
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: Prince Duarte of Portugal Description of subject: Prince Duarte of Portugal was a Portuguese infante and military leader from the House of Aviz, notable for his role in early 15th-century North African campaigns that marked the beginning of Portugal’s overseas expansion.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Prince Pedro of Portugal