Catherine of Coimbra
E401764
Catherine of Coimbra was a 15th-century Portuguese infanta and noblewoman, daughter of Peter, Duke of Coimbra, who became notable through her dynastic connections within the Portuguese royal family.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Catherine of Coimbra canonical | 4 |
| Catherine, Duchess of Braganza | 1 |
| Duchess of Coimbra | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3845541 — 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: Catherine of Coimbra Context triple: [Peter, Duke of Coimbra, child, Catherine of Coimbra]
-
A.
Beatrice of Coimbra
Beatrice of Coimbra was a 15th-century Portuguese infanta, daughter of Peter, Duke of Coimbra, who became Duchess of Viseu through her marriage to Infante Ferdinand of Portugal.
-
B.
Isabella of Coimbra
Isabella of Coimbra was a 15th-century Portuguese infanta and queen consort, known as the wife of King Afonso V of Portugal and the mother of King John II.
-
C.
Barbara of Portugal
Barbara of Portugal was an 18th-century Portuguese infanta who became Queen consort of Spain as the wife of King Ferdinand VI.
-
D.
Joanna of Portugal
Joanna of Portugal was a 15th-century Portuguese infanta and Queen consort of Castile, known for her politically turbulent marriage to King Henry IV of Castile.
-
E.
Maria José de Lancastre
Maria José de Lancastre is a Portuguese scholar, translator, and literary critic known for her work on Fernando Pessoa and for her long partnership with Italian writer Antonio Tabucchi.
- 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: Catherine of Coimbra Target entity description: Catherine of Coimbra was a 15th-century Portuguese infanta and noblewoman, daughter of Peter, Duke of Coimbra, who became notable through her dynastic connections within the Portuguese royal family.
-
A.
Beatrice of Coimbra
Beatrice of Coimbra was a 15th-century Portuguese infanta, daughter of Peter, Duke of Coimbra, who became Duchess of Viseu through her marriage to Infante Ferdinand of Portugal.
-
B.
Isabella of Coimbra
Isabella of Coimbra was a 15th-century Portuguese infanta and queen consort, known as the wife of King Afonso V of Portugal and the mother of King John II.
-
C.
Barbara of Portugal
Barbara of Portugal was an 18th-century Portuguese infanta who became Queen consort of Spain as the wife of King Ferdinand VI.
-
D.
Joanna of Portugal
Joanna of Portugal was a 15th-century Portuguese infanta and Queen consort of Castile, known for her politically turbulent marriage to King Henry IV of Castile.
-
E.
Maria José de Lancastre
Maria José de Lancastre is a Portuguese scholar, translator, and literary critic known for her work on Fernando Pessoa and for her long partnership with Italian writer Antonio Tabucchi.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf |
15th-century Portuguese noble
ⓘ
Portuguese infanta ⓘ noblewoman ⓘ |
| centuryOfActivity | 15th century ⓘ |
| continent | Europe ⓘ |
| countryOfCitizenship | Kingdom of Portugal ⓘ |
| dynasty | Aviz dynasty ⓘ |
| ethnicGroup | Portuguese ⓘ |
| familyName | of Coimbra ⓘ |
| father | Peter, Duke of Coimbra ⓘ |
| givenName | Catherine ⓘ |
| languageSpoken | Portuguese ⓘ |
| memberOf | House of Aviz ⓘ |
| mother | Isabella of Urgell, Duchess of Coimbra ⓘ |
| nobleTitle | Infanta of Portugal ⓘ |
| notableFor | dynastic connections within the Portuguese royal family ⓘ |
| partOf | Portuguese nobility ⓘ |
| positionHeld | Infanta of Portugal ⓘ |
| relative |
King Afonso V of Portugal
ⓘ
linked to:
Afonso V of Portugal
King Edward of Portugal ⓘ
linked to:
Edward, King of Portugal
King John I of Portugal ⓘ
linked to:
John I of Portugal
|
| sibling |
Beatrice of Coimbra
ⓘ
Isabella of Coimbra ⓘ James of Coimbra ⓘ John of Coimbra, Prince of Antioch ⓘ Philippa of Coimbra ⓘ |
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: Catherine of Coimbra Description of subject: Catherine of Coimbra was a 15th-century Portuguese infanta and noblewoman, daughter of Peter, Duke of Coimbra, who became notable through her dynastic connections within the Portuguese royal family.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Catherine of Coimbra
linked to: Catherine of Coimbra