Leszek of Masovia
E1171162
UNEXPLORED
Leszek of Masovia was a 13th-century Polish Piast duke who ruled parts of the Masovian region and participated in the complex dynastic politics of medieval Poland.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Leszek of Masovia canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T14457238 — 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: Leszek of Masovia Context triple: [Leszek, historicallyBorneBy, Leszek of Masovia]
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A.
Henry of Sandomierz
Henry of Sandomierz was a 12th-century Polish duke from the Piast dynasty who ruled the Sandomierz region and participated in crusading expeditions.
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B.
Casimir I of Kuyavia
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.
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C.
Bolesław of Bytom
Bolesław of Bytom was a 13th–14th century Silesian duke from the Piast dynasty who ruled the Duchy of Bytom and participated in the complex feudal politics of medieval Poland and its neighboring regions.
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D.
Olgierd
Olgierd is an alternative name for Algirdas, the 14th-century Grand Duke of Lithuania who significantly expanded and strengthened the Lithuanian state.
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E.
Bolesław II of Masovia
Bolesław II of Masovia was a 13th-century Polish Piast duke who ruled parts of the Masovian region and played a significant role in the fragmented politics of medieval Poland.
- 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: Leszek of Masovia Target entity description: Leszek of Masovia was a 13th-century Polish Piast duke who ruled parts of the Masovian region and participated in the complex dynastic politics of medieval Poland.
-
A.
Henry of Sandomierz
Henry of Sandomierz was a 12th-century Polish duke from the Piast dynasty who ruled the Sandomierz region and participated in crusading expeditions.
-
B.
Casimir I of Kuyavia
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.
-
C.
Bolesław of Bytom
Bolesław of Bytom was a 13th–14th century Silesian duke from the Piast dynasty who ruled the Duchy of Bytom and participated in the complex feudal politics of medieval Poland and its neighboring regions.
-
D.
Olgierd
Olgierd is an alternative name for Algirdas, the 14th-century Grand Duke of Lithuania who significantly expanded and strengthened the Lithuanian state.
-
E.
Bolesław II of Masovia
Bolesław II of Masovia was a 13th-century Polish Piast duke who ruled parts of the Masovian region and played a significant role in the fragmented politics of medieval Poland.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.