Duke Valdemar of Finland
E593298
Duke Valdemar of Finland was a 13th-century Swedish prince and regional ruler, known as the younger son of King Valdemar Birgersson and for his role in the power struggles within the medieval Swedish kingdom.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Duke Valdemar of Finland canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6419097 — 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: Duke Valdemar of Finland Context triple: [Nyköping Castle, associatedWith, Duke Valdemar of Finland]
-
A.
Frederick Adolf, Duke of Östergötland
Frederick Adolf, Duke of Östergötland was an 18th-century Swedish prince of the House of Holstein-Gottorp and younger son of King Adolf Frederick of Sweden and Queen Louisa Ulrika of Prussia.
-
B.
Gustav of Vasaborg
Gustav of Vasaborg was a 17th-century Swedish nobleman and illegitimate son of King Gustavus Adolphus, who was later made Count of Nystad.
-
C.
Eric of Pomerania
Eric of Pomerania was a late medieval Scandinavian king who ruled over Denmark, Norway, and Sweden as the first hereditary monarch of the Kalmar Union.
-
D.
John of Denmark
John of Denmark was a 16th-century Danish prince, the son of King Christian II of Denmark and Isabella of Austria, who died in childhood.
-
E.
John of Denmark
John of Denmark was a Danish prince of the House of Oldenburg, known primarily as the son of King Frederick II and heir apparent who died before 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: Duke Valdemar of Finland Target entity description: Duke Valdemar of Finland was a 13th-century Swedish prince and regional ruler, known as the younger son of King Valdemar Birgersson and for his role in the power struggles within the medieval Swedish kingdom.
-
A.
Frederick Adolf, Duke of Östergötland
Frederick Adolf, Duke of Östergötland was an 18th-century Swedish prince of the House of Holstein-Gottorp and younger son of King Adolf Frederick of Sweden and Queen Louisa Ulrika of Prussia.
-
B.
Gustav of Vasaborg
Gustav of Vasaborg was a 17th-century Swedish nobleman and illegitimate son of King Gustavus Adolphus, who was later made Count of Nystad.
-
C.
Eric of Pomerania
Eric of Pomerania was a late medieval Scandinavian king who ruled over Denmark, Norway, and Sweden as the first hereditary monarch of the Kalmar Union.
-
D.
John of Denmark
John of Denmark was a 16th-century Danish prince, the son of King Christian II of Denmark and Isabella of Austria, who died in childhood.
-
E.
John of Denmark
John of Denmark was a Danish prince of the House of Oldenburg, known primarily as the son of King Frederick II and heir apparent who died before ascending the throne.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
Swedish prince
ⓘ
duke ⓘ medieval noble ⓘ |
| centuryOfActivity | 13th century ⓘ |
| countryOfCitizenship | Kingdom of Sweden NERFINISHED ⓘ |
| father | King Valdemar Birgersson of Sweden NERFINISHED ⓘ |
| historicalRegionRuled | Finland NERFINISHED ⓘ |
| languageOfUse | Old Swedish NERFINISHED ⓘ |
| mother | Sophia of Denmark NERFINISHED ⓘ |
| nobleFamily | House of Bjelbo NERFINISHED ⓘ |
| nobleTitle | Duke ⓘ |
| notableFor |
role in internal conflicts of the Kingdom of Sweden
ⓘ
rule over parts of Finland as a ducal fief ⓘ |
| occupation |
nobleman
ⓘ
regional ruler ⓘ |
| participatedIn | power struggles in the medieval Swedish kingdom ⓘ |
| partOf | medieval Swedish nobility ⓘ |
| positionHeld | Duke of Finland NERFINISHED ⓘ |
| realm | Kingdom of Sweden NERFINISHED ⓘ |
| relative |
Birger Jarl
NERFINISHED
ⓘ
King Magnus III of Sweden NERFINISHED ⓘ |
| religion | Roman Catholicism ⓘ |
| sexOrGender | male ⓘ |
| sibling |
Catherine Valdemarsdotter of Sweden
NERFINISHED
ⓘ
Euphemia Valdemarsdotter of Sweden NERFINISHED ⓘ Ingeborg Valdemarsdotter of Sweden NERFINISHED ⓘ King Eric Magnusson of Sweden NERFINISHED ⓘ Marianne Valdemarsdotter of Sweden NERFINISHED ⓘ Richeza Valdemarsdotter of Sweden NERFINISHED ⓘ |
| spouse | Kristina Torgilsdotter NERFINISHED ⓘ |
| territorialDesignation | Finland NERFINISHED ⓘ |
| titleHeldFrom | late 13th century ⓘ |
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: Duke Valdemar of Finland Description of subject: Duke Valdemar of Finland was a 13th-century Swedish prince and regional ruler, known as the younger son of King Valdemar Birgersson and for his role in the power struggles within the medieval Swedish kingdom.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.