Infante Peter, Duke of Coimbra
E526159
Infante Peter, Duke of Coimbra was a 15th-century Portuguese prince, statesman, and regent of Portugal known for his role in governance and support of early Portuguese exploration.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Infante Peter, Duke of Coimbra canonical | 3 |
| Infante Peter, Duke of Coimbra (the younger) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4691789 — 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: Infante Peter, Duke of Coimbra Context triple: [Padrão dos Descobrimentos, featuresFigure, Infante Peter, Duke of Coimbra]
-
A.
Infante Peter of Portugal
Infante Peter of Portugal was an 18th-century Portuguese prince of the House of Braganza, notable as a younger son of King John V and a prominent member of the royal family.
-
B.
Infante Carlos of Portugal
Infante Carlos of Portugal was a Portuguese prince of the House of Braganza, best known as the younger brother of King Joseph I of Portugal.
-
C.
Infante Fernando, Duke of Viseu
Infante Fernando, Duke of Viseu was a 15th-century Portuguese infante and nobleman of the House of Aviz, notable for his high-ranking position in the royal family and influence in the politics of late medieval Portugal.
-
D.
Infante Duarte, Duke of Guimarães
Infante Duarte, Duke of Guimarães, was a 16th-century Portuguese infante of the House of Aviz and a prominent nobleman closely connected to the royal succession.
-
E.
Infante John, Duke of Viseu
Infante John, Duke of Viseu was a 15th-century Portuguese prince of the Avis dynasty who held several prominent noble titles and played a key role in the politics of late medieval Portugal.
- 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: Infante Peter, Duke of Coimbra Target entity description: Infante Peter, Duke of Coimbra was a 15th-century Portuguese prince, statesman, and regent of Portugal known for his role in governance and support of early Portuguese exploration.
-
A.
Infante Peter of Portugal
Infante Peter of Portugal was an 18th-century Portuguese prince of the House of Braganza, notable as a younger son of King John V and a prominent member of the royal family.
-
B.
Infante Carlos of Portugal
Infante Carlos of Portugal was a Portuguese prince of the House of Braganza, best known as the younger brother of King Joseph I of Portugal.
-
C.
Infante Fernando, Duke of Viseu
Infante Fernando, Duke of Viseu was a 15th-century Portuguese infante and nobleman of the House of Aviz, notable for his high-ranking position in the royal family and influence in the politics of late medieval Portugal.
-
D.
Infante Duarte, Duke of Guimarães
Infante Duarte, Duke of Guimarães, was a 16th-century Portuguese infante of the House of Aviz and a prominent nobleman closely connected to the royal succession.
-
E.
Infante John, Duke of Viseu
Infante John, Duke of Viseu was a 15th-century Portuguese prince of the Avis dynasty who held several prominent noble titles and played a key role in the politics of late medieval Portugal.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
15th-century Portuguese person
ⓘ
Portuguese prince ⓘ duke ⓘ regent of Portugal ⓘ statesman ⓘ |
| birthDate | 1392-12-09 ⓘ |
| birthPlace |
Kingdom of Portugal
NERFINISHED
ⓘ
Lisbon NERFINISHED ⓘ |
| causeOfDeath | battle injuries ⓘ |
| child |
Beatrice of Coimbra
NERFINISHED
ⓘ
Catherine of Coimbra NERFINISHED ⓘ James of Coimbra NERFINISHED ⓘ John of Coimbra, Prince of Antioch NERFINISHED ⓘ Peter, Constable of Portugal NERFINISHED ⓘ Philippa of Coimbra NERFINISHED ⓘ |
| countryOfCitizenship | Kingdom of Portugal NERFINISHED ⓘ |
| deathDate | 1449-05-20 ⓘ |
| deathPlace |
Alfarrobeira
NERFINISHED
ⓘ
Kingdom of Portugal NERFINISHED ⓘ near Lisbon ⓘ |
| educatedAt | Portuguese royal court NERFINISHED ⓘ |
| endTimeOfRegency | 1448 ⓘ |
| era | Late Middle Ages ⓘ |
| father | John I of Portugal NERFINISHED ⓘ |
| fullName | Peter, Duke of Coimbra NERFINISHED ⓘ |
| givenName | Peter ⓘ |
| knownFor |
governance of Portugal as regent
ⓘ
humanist education and interests ⓘ promotion of central royal authority ⓘ support of early Portuguese maritime exploration ⓘ |
| mannerOfDeath | killed in battle ⓘ |
| memberOfDynasty | House of Aviz NERFINISHED ⓘ |
| mother | Philippa of Lancaster NERFINISHED ⓘ |
| nativeName | Infante Dom Pedro, Duque de Coimbra NERFINISHED ⓘ |
| notableAchievement |
strengthened authority of the crown during minority of Afonso V
ⓘ
supported exploratory voyages along the West African coast ⓘ |
| notableEvent | Battle of Alfarrobeira NERFINISHED ⓘ |
| notableWork | Letters of travel and counsel to King Edward of Portugal NERFINISHED ⓘ |
| positionHeld |
Duke of Coimbra
NERFINISHED
ⓘ
regent of Portugal ⓘ |
| regencyFor | Afonso V of Portugal NERFINISHED ⓘ |
| religion | Roman Catholicism ⓘ |
| sexOrGender | male ⓘ |
| sibling |
Edward of Portugal
NERFINISHED
ⓘ
Ferdinand the Holy Prince NERFINISHED ⓘ Henry the Navigator NERFINISHED ⓘ John, Constable of Portugal NERFINISHED ⓘ |
| spouse | Isabella of Urgell, Duchess of Coimbra NERFINISHED ⓘ |
| startTimeOfRegency | 1439 ⓘ |
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: Infante Peter, Duke of Coimbra Description of subject: Infante Peter, Duke of Coimbra was a 15th-century Portuguese prince, statesman, and regent of Portugal known for his role in governance and support of early Portuguese exploration.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Infante Peter, Duke of Coimbra (the younger)