Duchy of Czersk
E1034778
The Duchy of Czersk was a medieval Piast-ruled principality in Masovia that emerged during the feudal fragmentation of the Kingdom of Poland.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Duchy of Czersk canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T12743068 — 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: Duchy of Czersk Context triple: [Fragmentation of Poland, hasPart, Duchy of Czersk]
-
A.
Duchy of Oleśnica
The Duchy of Oleśnica was a medieval Silesian duchy centered on the town of Oleśnica, historically ruled by various Piast and later noble dynasties within the shifting political landscape of Central Europe.
-
B.
Duchy of Sieradz
The Duchy of Sieradz was a medieval Polish territorial principality in central Poland that emerged from the fragmentation of the Kingdom of Poland and was ruled at times by Piast dynasty princes.
-
C.
Duchy of Płock
The Duchy of Płock was a medieval Polish principality centered on the city of Płock, ruled by a branch of the Piast dynasty during the period of Poland’s territorial fragmentation.
-
D.
Duchy of Głogów
The Duchy of Głogów was a medieval Silesian duchy centered on the town of Głogów, ruled by Piast dukes and shaped by the political fragmentation of the Polish kingdom.
-
E.
Duchy of Sandomierz
The Duchy of Sandomierz was a medieval Polish principality in Lesser Poland, centered on the city of Sandomierz, that emerged from the fragmentation of the Kingdom of Poland in the 12th century.
- 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: Duchy of Czersk Target entity description: The Duchy of Czersk was a medieval Piast-ruled principality in Masovia that emerged during the feudal fragmentation of the Kingdom of Poland.
-
A.
Duchy of Oleśnica
The Duchy of Oleśnica was a medieval Silesian duchy centered on the town of Oleśnica, historically ruled by various Piast and later noble dynasties within the shifting political landscape of Central Europe.
-
B.
Duchy of Sieradz
The Duchy of Sieradz was a medieval Polish territorial principality in central Poland that emerged from the fragmentation of the Kingdom of Poland and was ruled at times by Piast dynasty princes.
-
C.
Duchy of Płock
The Duchy of Płock was a medieval Polish principality centered on the city of Płock, ruled by a branch of the Piast dynasty during the period of Poland’s territorial fragmentation.
-
D.
Duchy of Głogów
The Duchy of Głogów was a medieval Silesian duchy centered on the town of Głogów, ruled by Piast dukes and shaped by the political fragmentation of the Polish kingdom.
-
E.
Duchy of Sandomierz
The Duchy of Sandomierz was a medieval Polish principality in Lesser Poland, centered on the city of Sandomierz, that emerged from the fragmentation of the Kingdom of Poland in the 12th century.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
Piast-ruled principality
ⓘ
former state ⓘ medieval duchy ⓘ |
| capital | Czersk ⓘ |
| continent | Europe ⓘ |
| country | Kingdom of Poland ⓘ |
| currency | Polish denar ⓘ |
| emergedDuring | feudal fragmentation of Poland ⓘ |
| emergedFrom | Kingdom of Poland ⓘ |
| era | Middle Ages ⓘ |
| followedBy | Duchy of Masovia ⓘ |
| governmentType | feudal monarchy ⓘ |
| hasEthnicGroup | Poles ⓘ |
| historicalRegion |
Masovia
ⓘ
linked to:
Mazovia
|
| historicalStatus | vassal state of the Kingdom of Poland ⓘ |
| language | Polish ⓘ |
| locatedIn |
Central Europe
ⓘ
Masovia ⓘ
linked to:
Mazovia
|
| locatedInPresentDay | Poland ⓘ |
| namedAfter | Czersk ⓘ |
| nobleHouse |
House of Piast
ⓘ
linked to:
Piast dynasty
|
| partOf |
Masovia
ⓘ
linked to:
Mazovia
Piast-ruled Poland ⓘ
linked to:
Polish principalities
|
| politicalStructure | hereditary duchy ⓘ |
| precededBy | Duchy of Masovia ⓘ |
| regionType | Piast duchy ⓘ |
| religion | Roman Catholicism ⓘ |
| rulingDynasty | Piast dynasty ⓘ |
| startEvent | feudal fragmentation of the Kingdom of Poland ⓘ |
| timePeriod |
High Middle Ages
ⓘ
Late Middle Ages ⓘ |
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: Duchy of Czersk Description of subject: The Duchy of Czersk was a medieval Piast-ruled principality in Masovia that emerged during the feudal fragmentation of the Kingdom of Poland.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.