Casimir II of Łęczyca
E1299604
UNEXPLORED
Casimir II of Łęczyca was a 13th-century Polish Piast duke who ruled the duchy of Łęczyca during the period of Poland’s regional fragmentation.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Casimir II of Łęczyca canonical | 1 |
| Casimir II the Just | 1 |
| Kazimierz II of Łęczyca | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T15102280 — 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 II of Łęczyca Context triple: [Casimir I of Kuyavia, child, Casimir II of Łęczyca]
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A.
Casimir II the Just
Casimir II the Just was a 12th-century Duke of Kraków and High Duke of Poland known for his efforts to stabilize the fragmented Polish realm and his reputation for fairness in governance.
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B.
Casimir II of Zator
Casimir II of Zator was a 15th-century Polish duke from the Silesian Piast dynasty who ruled part of the fragmented Duchy of Zator.
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C.
Kazimierz III of Gniewkowo
Kazimierz III of Gniewkowo was a 14th-century Polish duke from the Piast dynasty who ruled the small duchy of Gniewkowo in the Kuyavian region.
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D.
Casimir I of Opole
Casimir I of Opole was a 13th-century Silesian Piast duke who ruled the Duchy of Opole and played a key role in the regional politics of medieval Poland.
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E.
Jan I of Opole
Jan I of Opole was a 14th-century Silesian duke from the Piast dynasty who ruled the Duchy of Opole and played a significant role in regional Central European politics.
- 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 II of Łęczyca Target entity description: Casimir II of Łęczyca was a 13th-century Polish Piast duke who ruled the duchy of Łęczyca during the period of Poland’s regional fragmentation.
-
A.
Casimir II the Just
Casimir II the Just was a 12th-century Duke of Kraków and High Duke of Poland known for his efforts to stabilize the fragmented Polish realm and his reputation for fairness in governance.
-
B.
Casimir II of Zator
Casimir II of Zator was a 15th-century Polish duke from the Silesian Piast dynasty who ruled part of the fragmented Duchy of Zator.
-
C.
Kazimierz III of Gniewkowo
Kazimierz III of Gniewkowo was a 14th-century Polish duke from the Piast dynasty who ruled the small duchy of Gniewkowo in the Kuyavian region.
-
D.
Casimir I of Opole
Casimir I of Opole was a 13th-century Silesian Piast duke who ruled the Duchy of Opole and played a key role in the regional politics of medieval Poland.
-
E.
Jan I of Opole
Jan I of Opole was a 14th-century Silesian duke from the Piast dynasty who ruled the Duchy of Opole and played a significant role in regional Central European politics.
- F. None of above. chosen
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Casimir II of Łęczyca
linked to: Casimir II of Łęczyca