Duarte I of Portugal
E548857
Duarte I of Portugal was a 15th-century King of Portugal from the Avis dynasty, known for his pious character and for continuing the early phases of Portuguese maritime expansion.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Duarte I of Portugal canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4891203 — 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: Duarte I of Portugal Context triple: [Philippa of Lancaster, child, Duarte I of Portugal]
-
A.
Sancho IV of Portugal
Sancho IV of Portugal was a medieval Portuguese infante and nobleman of the House of Burgundy (also linked to the wider House of Ivrea), known primarily as a royal prince rather than a reigning monarch.
-
B.
Afonso III of Portugal
Afonso III of Portugal was a 13th-century Portuguese king known for consolidating royal authority, completing the reconquest of the Algarve, and strengthening the kingdom’s administrative and legal structures.
-
C.
Sancho II of Portugal
Sancho II of Portugal was a 13th-century Portuguese king whose troubled reign was marked by internal conflicts and eventual deposition in favor of his brother.
-
D.
Afonso VI of Portugal
Afonso VI of Portugal was a 17th-century king of Portugal whose turbulent reign was marked by mental and physical incapacity, political factionalism, and eventual removal from power in favor of his brother.
-
E.
John I of Portugal
John I of Portugal was the founder of the Aviz dynasty and king whose reign marked the beginning of Portugal’s overseas expansion and the rise of the Portuguese 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: Duarte I of Portugal Target entity description: Duarte I of Portugal was a 15th-century King of Portugal from the Avis dynasty, known for his pious character and for continuing the early phases of Portuguese maritime expansion.
-
A.
Sancho IV of Portugal
Sancho IV of Portugal was a medieval Portuguese infante and nobleman of the House of Burgundy (also linked to the wider House of Ivrea), known primarily as a royal prince rather than a reigning monarch.
-
B.
Afonso III of Portugal
Afonso III of Portugal was a 13th-century Portuguese king known for consolidating royal authority, completing the reconquest of the Algarve, and strengthening the kingdom’s administrative and legal structures.
-
C.
Sancho II of Portugal
Sancho II of Portugal was a 13th-century Portuguese king whose troubled reign was marked by internal conflicts and eventual deposition in favor of his brother.
-
D.
Afonso VI of Portugal
Afonso VI of Portugal was a 17th-century king of Portugal whose turbulent reign was marked by mental and physical incapacity, political factionalism, and eventual removal from power in favor of his brother.
-
E.
John I of Portugal
John I of Portugal was the founder of the Aviz dynasty and king whose reign marked the beginning of Portugal’s overseas expansion and the rise of the Portuguese Empire.
- F. None of above. chosen
Statements (37)
| Predicate | Object |
|---|---|
| instanceOf |
King of Portugal
ⓘ
human ⓘ member of the House of Aviz ⓘ monarch ⓘ |
| birthDate | 1391-10-31 ⓘ |
| birthPlace |
Kingdom of Portugal
NERFINISHED
ⓘ
Viseu NERFINISHED ⓘ |
| child |
Afonso V of Portugal
NERFINISHED
ⓘ
Infanta Eleanor of Portugal NERFINISHED ⓘ Infanta Joanna of Portugal NERFINISHED ⓘ Infante Ferdinand, Duke of Viseu NERFINISHED ⓘ Infante Henry the Navigator NERFINISHED ⓘ Infante John, Constable of Portugal NERFINISHED ⓘ Infante Peter, Duke of Coimbra NERFINISHED ⓘ |
| country of citizenship | Kingdom of Portugal NERFINISHED ⓘ |
| deathDate | 1438-09-09 ⓘ |
| deathPlace |
Kingdom of Portugal
NERFINISHED
ⓘ
Tomar NERFINISHED ⓘ |
| dynasty | Avis dynasty NERFINISHED ⓘ |
| father | John I of Portugal NERFINISHED ⓘ |
| house | House of Aviz NERFINISHED ⓘ |
| mother | Philippa of Lancaster NERFINISHED ⓘ |
| name |
Duarte I
NERFINISHED
ⓘ
Duarte I of Portugal NERFINISHED ⓘ |
| name in English | Edward I of Portugal NERFINISHED ⓘ |
| position held | King of Portugal and the Algarves NERFINISHED ⓘ |
| predecessor | John I of Portugal NERFINISHED ⓘ |
| reignEnd | 1438-09-09 ⓘ |
| reignStart | 1433-08-14 ⓘ |
| religion | Roman Catholicism ⓘ |
| sibling |
Duarte, Duke of Beja
NERFINISHED
ⓘ
Duarte, Duke of Viseu NERFINISHED ⓘ Duarte, Duke of Viseu and Beja NERFINISHED ⓘ Duarte, Lord of Viseu NERFINISHED ⓘ Edward, Lord of Viseu NERFINISHED ⓘ |
| spouse | Eleanor of Aragon NERFINISHED ⓘ |
| successor | 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: Duarte I of Portugal Description of subject: Duarte I of Portugal was a 15th-century King of Portugal from the Avis dynasty, known for his pious character and for continuing the early phases of Portuguese maritime expansion.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.