Casimir I of Kuyavia
E360697
Casimir I of Kuyavia was a 13th-century Piast duke who ruled parts of central Poland and was a prominent member of the Polish royal dynasty.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Casimir I of Kuyavia canonical | 7 |
| Casimir I of Kuyavia, Duke of Kuyavia | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3299104 — 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 I of Kuyavia Context triple: [Bolesław V the Chaste, notableRelative, Casimir I of Kuyavia]
-
A.
Casimir I the Restorer
Casimir I the Restorer was an 11th-century Polish duke who rebuilt and reunified the Polish state after a period of crisis and fragmentation, laying foundations for its later strength under the Piast dynasty.
-
B.
Duke Bolesław V the Chaste
Duke Bolesław V the Chaste was a 13th-century Polish Piast ruler of Kraków and Sandomierz, noted for his childless marriage, political struggles with neighboring dukes, and efforts to strengthen and develop his domains.
-
C.
Bolesław III Wrymouth
Bolesław III Wrymouth was a medieval Polish duke who significantly expanded and consolidated the Polish state but also initiated its later fragmentation through his testament dividing the realm among his sons.
-
D.
Leszek I the White
Leszek I the White was a 13th-century High Duke of Poland from the Piast dynasty, known for his turbulent reign marked by internal conflicts and struggles for control over Kraków.
-
E.
Bolesław
Bolesław is a masculine Slavic given name, particularly common in Poland, historically borne by several notable rulers and political figures.
- 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 I of Kuyavia Target entity description: Casimir I of Kuyavia was a 13th-century Piast duke who ruled parts of central Poland and was a prominent member of the Polish royal dynasty.
-
A.
Casimir I the Restorer
Casimir I the Restorer was an 11th-century Polish duke who rebuilt and reunified the Polish state after a period of crisis and fragmentation, laying foundations for its later strength under the Piast dynasty.
-
B.
Duke Bolesław V the Chaste
Duke Bolesław V the Chaste was a 13th-century Polish Piast ruler of Kraków and Sandomierz, noted for his childless marriage, political struggles with neighboring dukes, and efforts to strengthen and develop his domains.
-
C.
Bolesław III Wrymouth
Bolesław III Wrymouth was a medieval Polish duke who significantly expanded and consolidated the Polish state but also initiated its later fragmentation through his testament dividing the realm among his sons.
-
D.
Leszek I the White
Leszek I the White was a 13th-century High Duke of Poland from the Piast dynasty, known for his turbulent reign marked by internal conflicts and struggles for control over Kraków.
-
E.
Bolesław
Bolesław is a masculine Slavic given name, particularly common in Poland, historically borne by several notable rulers and political figures.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Duke of Kuyavia
ⓘ
Piast duke ⓘ medieval Polish noble ⓘ |
| birthPlace | Masovia NERFINISHED ⓘ |
| centuryOfActivity | 13th century ⓘ |
| child |
Casimir II of Łęczyca
NERFINISHED
ⓘ
Euphrosyne of Opole ⓘ
surface form:
Euphrosyne of Kuyavia
Leszek II the Black NERFINISHED ⓘ Salomea of Kuyavia ⓘ Władysław I the Elbow-high NERFINISHED ⓘ Ziemomysł of Kuyavia ⓘ |
| continent | Europe ⓘ |
| country | Poland ⓘ |
| deathPlace | Inowrocław NERFINISHED ⓘ |
| dynasty | Piast dynasty ⓘ |
| ethnicGroup | Poles ⓘ |
| father | Konrad I of Masovia NERFINISHED ⓘ |
| givenName | Casimir ⓘ |
| language | Polish ⓘ |
| memberOf | Polish high nobility ⓘ |
| mother |
Agafia of Kiev
ⓘ
surface form:
Agafia of Rus
|
| nobleFamily | Piast dynasty ⓘ |
| nobleRank | duke ⓘ |
| notableRelative |
Leszek II the Black
NERFINISHED
ⓘ
Władysław I the Elbow-high NERFINISHED ⓘ |
| partOf | Kingdom of Poland ⓘ |
| positionHeld | Duke in central Poland ⓘ |
| region | Central Poland ⓘ |
| religion | Roman Catholicism ⓘ |
| ruledRegion |
Brześć Kujawski
NERFINISHED
ⓘ
Inowrocław NERFINISHED ⓘ Kuyavia ⓘ Sieradz ⓘ Łęczyca NERFINISHED ⓘ |
| sibling |
Bolesław I of Masovia
NERFINISHED
ⓘ
Eudoxia of Masovia ⓘ Siemowit I of Masovia NERFINISHED ⓘ |
| spouse |
Constance of Hungary
ⓘ
Constance of Wrocław ⓘ Euphrosyne of Opole ⓘ |
| title |
Duke of Brześć Kujawski
ⓘ
Duke of Inowrocław ⓘ Duke of Kuyavia ⓘ Duke of Sieradz ⓘ Duke of Łęczyca ⓘ |
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 I of Kuyavia Description of subject: Casimir I of Kuyavia was a 13th-century Piast duke who ruled parts of central Poland and was a prominent member of the Polish royal dynasty.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Bolesław V the Chaste
this entity surface form:
Casimir I of Kuyavia, Duke of Kuyavia