Eric Birgersson
E378581
Eric Birgersson was a 13th-century Swedish prince, son of the influential statesman Birger Jarl, who played a role in the power struggles of medieval Sweden.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Birgersson | 1 |
| Eric Birgersson canonical | 1 |
| Erik Birgersson | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3676051 — 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: Eric Birgersson Context triple: [Birger Jarl, child, Eric Birgersson]
-
A.
Ingemund Bengtsson
Ingemund Bengtsson was a Swedish Social Democratic politician who served in several ministerial posts and later as Speaker of the Riksdag.
-
B.
Magnus Olsson
Magnus Olsson is a Swedish entrepreneur best known as a co-founder of Careem, the Middle Eastern ride-hailing company acquired by Uber.
-
C.
Ulf Danielsson
Ulf Danielsson is a Swedish theoretical physicist and cosmologist known for his work on string theory and the fundamental nature of the universe.
-
D.
Fredrik Idestam
Fredrik Idestam was a Finnish mining engineer and industrialist best known for founding the company that would become Nokia.
-
E.
Johan Aberg
Johan Åberg is a Swedish songwriter and producer known for his work on international pop hits, including contributions to artists like Christina Aguilera.
- 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: Eric Birgersson Target entity description: Eric Birgersson was a 13th-century Swedish prince, son of the influential statesman Birger Jarl, who played a role in the power struggles of medieval Sweden.
-
A.
Ingemund Bengtsson
Ingemund Bengtsson was a Swedish Social Democratic politician who served in several ministerial posts and later as Speaker of the Riksdag.
-
B.
Magnus Olsson
Magnus Olsson is a Swedish entrepreneur best known as a co-founder of Careem, the Middle Eastern ride-hailing company acquired by Uber.
-
C.
Ulf Danielsson
Ulf Danielsson is a Swedish theoretical physicist and cosmologist known for his work on string theory and the fundamental nature of the universe.
-
D.
Fredrik Idestam
Fredrik Idestam was a Finnish mining engineer and industrialist best known for founding the company that would become Nokia.
-
E.
Johan Aberg
Johan Åberg is a Swedish songwriter and producer known for his work on international pop hits, including contributions to artists like Christina Aguilera.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf |
Swedish prince
ⓘ
medieval Swedish noble ⓘ |
| aristocraticTitle | Duke ⓘ |
| century | 13th century ⓘ |
| country | Sweden ⓘ |
| era | medieval Sweden ⓘ |
| ethnicGroup | Swedes ⓘ |
| father | Birger Jarl ⓘ |
| gender | male ⓘ |
| nativeLanguage | Old Swedish ⓘ |
| nobleFamily | House of Bjelbo ⓘ |
| nobleRank | prince of Sweden ⓘ |
| notableFamilyMemberOf | Birger Jarl ⓘ |
| notableFor |
being son of Birger Jarl
ⓘ
role in Swedish dynastic conflicts ⓘ |
| occupation | prince ⓘ |
| participatedIn | medieval Swedish power struggles ⓘ |
| positionHeld | Duke in Sweden ⓘ |
| religion |
Christianity
ⓘ
Roman Catholicism ⓘ
surface form:
Roman Catholic Church
|
| sibling |
Birger Jarl
ⓘ
surface form:
Magnus Birgersson
Valdemar of Sweden ⓘ
surface form:
Valdemar Birgersson
|
| socialClass | nobility ⓘ |
| timePeriod | High Middle Ages ⓘ |
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: Eric Birgersson Description of subject: Eric Birgersson was a 13th-century Swedish prince, son of the influential statesman Birger Jarl, who played a role in the power struggles of medieval Sweden.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Erik Birgersson
this entity surface form:
Birgersson