Bolesław II of Masovia
E370786
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Bolesław II of Masovia canonical | 5 |
| Duke Bolesław II of Masovia | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3452909 — 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: Bolesław II of Masovia Context triple: [Leszek II the Black, successor, Bolesław II of Masovia]
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A.
Bolesław II the Bald
Bolesław II the Bald was a 13th-century Duke of Silesia from the Piast dynasty who ruled parts of the fragmented Polish realm following the death of his brother Henry II the Pious.
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B.
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.
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C.
Bolesław
Bolesław is a masculine Slavic given name, particularly common in Poland, historically borne by several notable rulers and political figures.
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D.
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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E.
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.
- 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: Bolesław II of Masovia Target entity description: 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.
-
A.
Bolesław II the Bald
Bolesław II the Bald was a 13th-century Duke of Silesia from the Piast dynasty who ruled parts of the fragmented Polish realm following the death of his brother Henry II the Pious.
-
B.
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.
-
C.
Bolesław
Bolesław is a masculine Slavic given name, particularly common in Poland, historically borne by several notable rulers and political figures.
-
D.
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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E.
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.
- F. None of above. chosen
Statements (47)
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: Bolesław II of Masovia Description of subject: 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.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.