Casimir IV Jagiellon
E325822
Casimir IV Jagiellon was a 15th-century King of Poland and Grand Duke of Lithuania whose long reign marked the height of Jagiellonian power in Central and Eastern Europe.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Casimir IV Jagiellon canonical | 16 |
| Casimir IV Jagiellon as Grand Duke of Lithuania | 1 |
| Kazimierz IV Jagiellończyk | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3007744 — 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: Casimir IV Jagiellon Context triple: [Jagiellonian dynasty, member, Casimir IV Jagiellon]
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A.
Sigismund II Augustus
Sigismund II Augustus was the last Jagiellonian king of Poland and Grand Duke of Lithuania, known for overseeing the Union of Lublin that created the Polish–Lithuanian Commonwealth.
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B.
Sigismund I the Old
Sigismund I the Old was a 16th-century King of Poland and Grand Duke of Lithuania whose long reign strengthened the Polish-Lithuanian state and fostered Renaissance culture.
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C.
Władysław IV Vasa
Władysław IV Vasa was a 17th-century King of Poland and Grand Duke of Lithuania from the Vasa dynasty, noted for his military leadership, cultural patronage, and involvement in Eastern European conflicts including Russia’s Time of Troubles.
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D.
Władysław II Jagiełło
Władysław II Jagiełło was the Grand Duke of Lithuania who became King of Poland, founding the Jagiellonian dynasty and leading the Polish-Lithuanian forces to victory at the Battle of Grunwald.
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E.
Sigismund III Vasa
Sigismund III Vasa was a late 16th–early 17th century monarch who ruled both the Polish–Lithuanian Commonwealth and Sweden, whose dynastic and religious ambitions helped fuel major conflicts in Eastern Europe.
- 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: Casimir IV Jagiellon Target entity description: Casimir IV Jagiellon was a 15th-century King of Poland and Grand Duke of Lithuania whose long reign marked the height of Jagiellonian power in Central and Eastern Europe.
-
A.
Sigismund II Augustus
Sigismund II Augustus was the last Jagiellonian king of Poland and Grand Duke of Lithuania, known for overseeing the Union of Lublin that created the Polish–Lithuanian Commonwealth.
-
B.
Sigismund I the Old
Sigismund I the Old was a 16th-century King of Poland and Grand Duke of Lithuania whose long reign strengthened the Polish-Lithuanian state and fostered Renaissance culture.
-
C.
Władysław IV Vasa
Władysław IV Vasa was a 17th-century King of Poland and Grand Duke of Lithuania from the Vasa dynasty, noted for his military leadership, cultural patronage, and involvement in Eastern European conflicts including Russia’s Time of Troubles.
-
D.
Władysław II Jagiełło
Władysław II Jagiełło was the Grand Duke of Lithuania who became King of Poland, founding the Jagiellonian dynasty and leading the Polish-Lithuanian forces to victory at the Battle of Grunwald.
-
E.
Sigismund III Vasa
Sigismund III Vasa was a late 16th–early 17th century monarch who ruled both the Polish–Lithuanian Commonwealth and Sweden, whose dynastic and religious ambitions helped fuel major conflicts in Eastern Europe.
- F. None of above. chosen
Statements (49)
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: Casimir IV Jagiellon Description of subject: Casimir IV Jagiellon was a 15th-century King of Poland and Grand Duke of Lithuania whose long reign marked the height of Jagiellonian power in Central and Eastern Europe.
Referenced by (18)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Casimir IV Jagiellon as Grand Duke of Lithuania
this entity surface form:
Kazimierz IV Jagiellończyk