Mieszko I of Cieszyn
E1022939
Mieszko I of Cieszyn was a medieval Silesian duke from the Piast dynasty who ruled the Duchy of Cieszyn at the turn of the 14th century.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mieszko I of Cieszyn canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T12863253 — 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: Mieszko I of Cieszyn Context triple: [Teschen Piasts, notableMember, Mieszko I of Cieszyn]
-
A.
Bolesław I of Cieszyn
Bolesław I of Cieszyn was a late 13th–early 14th century Duke from the Silesian Piast dynasty who ruled the Duchy of Cieszyn in what is now southern Poland.
-
B.
Mieszko II Lambert
Mieszko II Lambert was an early 11th-century ruler from the Piast dynasty who reigned as King of Poland and faced significant internal strife and foreign invasions that weakened the young Polish state.
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C.
Bolesław II of Cieszyn
Bolesław II of Cieszyn was a 15th-century Duke from the Silesian Piast dynasty who ruled the Duchy of Cieszyn in what is now southern Poland.
-
D.
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.
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E.
Bolesław Śmiały
Bolesław Śmiały is a historical drama by Polish playwright Stanisław Wyspiański that portrays the conflict between King Bolesław II the Bold and Bishop Stanislaus.
- 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: Mieszko I of Cieszyn Target entity description: Mieszko I of Cieszyn was a medieval Silesian duke from the Piast dynasty who ruled the Duchy of Cieszyn at the turn of the 14th century.
-
A.
Bolesław I of Cieszyn
Bolesław I of Cieszyn was a late 13th–early 14th century Duke from the Silesian Piast dynasty who ruled the Duchy of Cieszyn in what is now southern Poland.
-
B.
Mieszko II Lambert
Mieszko II Lambert was an early 11th-century ruler from the Piast dynasty who reigned as King of Poland and faced significant internal strife and foreign invasions that weakened the young Polish state.
-
C.
Bolesław II of Cieszyn
Bolesław II of Cieszyn was a 15th-century Duke from the Silesian Piast dynasty who ruled the Duchy of Cieszyn in what is now southern Poland.
-
D.
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.
-
E.
Bolesław Śmiały
Bolesław Śmiały is a historical drama by Polish playwright Stanisław Wyspiański that portrays the conflict between King Bolesław II the Bold and Bishop Stanislaus.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Piast dynasty duke
ⓘ
Silesian duke ⓘ medieval noble ⓘ |
| activeInPeriod |
early 14th century
ⓘ
late 13th century ⓘ |
| allegiance | Piast-ruled Silesian principalities NERFINISHED ⓘ |
| associatedWith | Kingdom of Bohemia NERFINISHED ⓘ |
| birthDate | circa 1250 ⓘ |
| birthPlace | Opole NERFINISHED ⓘ |
| child |
Casimir I of Cieszyn
NERFINISHED
ⓘ
Władysław of Cieszyn NERFINISHED ⓘ |
| country | Duchy of Cieszyn NERFINISHED ⓘ |
| deathDate | circa 1315 ⓘ |
| deathPlace | Cieszyn NERFINISHED ⓘ |
| ethnicGroup | Polish ⓘ |
| father | Władysław of Opole NERFINISHED ⓘ |
| givenName | Mieszko NERFINISHED ⓘ |
| governmentForm | feudal duchy ⓘ |
| hasTitle | Duke in Silesia ⓘ |
| historicalRegion | Upper Silesia NERFINISHED ⓘ |
| knownFor | founding the Duchy of Cieszyn ⓘ |
| languageOfWorkOrName |
Latin
ⓘ
Polish ⓘ |
| memberOf | Silesian Piasts NERFINISHED ⓘ |
| monarchType | hereditary duke ⓘ |
| mother | Euphemia of Greater Poland NERFINISHED ⓘ |
| nobleFamily | Piast dynasty NERFINISHED ⓘ |
| nobleRank | duke ⓘ |
| nobleTitle | dux Tessinensis ⓘ |
| partOf | fragmentation period of Poland ⓘ |
| positionHeld | ruler of Cieszyn ⓘ |
| predecessor | Władysław of Opole NERFINISHED ⓘ |
| region | Silesia NERFINISHED ⓘ |
| reignEnd | 1315 ⓘ |
| reignStart | 1290 ⓘ |
| religion | Roman Catholicism ⓘ |
| residence | Cieszyn NERFINISHED ⓘ |
| ruled | Duchy of Cieszyn NERFINISHED ⓘ |
| sibling |
Bolesław I of Opole
NERFINISHED
ⓘ
Bolko I of Opole NERFINISHED ⓘ Casimir of Bytom NERFINISHED ⓘ Przemysław of Racibórz NERFINISHED ⓘ |
| spouse | unknown Piast princess ⓘ |
| successor | Casimir I of Cieszyn NERFINISHED ⓘ |
| territory | Cieszyn Silesia NERFINISHED ⓘ |
| title | Duke of Cieszyn NERFINISHED ⓘ |
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: Mieszko I of Cieszyn Description of subject: Mieszko I of Cieszyn was a medieval Silesian duke from the Piast dynasty who ruled the Duchy of Cieszyn at the turn of the 14th century.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.