Duke of Łęczyca
E1044322
The Duke of Łęczyca was a medieval Polish noble title held by members of the Piast dynasty who ruled the Łęczyca region.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Duke of Łęczyca canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T13049832 — 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: Duke of Łęczyca Context triple: [Łęczyca Piasts, usedTitle, Duke of Łęczyca]
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A.
Duke of Brześć Kujawski
The Duke of Brześć Kujawski was a medieval Polish noble title held by members of the Kuyavian branch of the Piast dynasty, ruling over the Brześć Kujawski region in central Poland.
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B.
Duke of Słupsk
The Duke of Słupsk was a medieval Pomeranian noble title held by members of the House of Griffins, rulers of the Duchy of Pomerania in what is now northwestern Poland and northeastern Germany.
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C.
Duke of Inowrocław
The Duke of Inowrocław was a medieval Polish princely title held by members of the Kuyavian branch of the Piast dynasty who ruled the Inowrocław region.
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D.
Duke of Sandomierz
The Duke of Sandomierz was a medieval Polish princely title associated with the fragmented Piast-ruled duchy centered on the city of Sandomierz.
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E.
Duke of Opole
The Duke of Opole was a noble title associated with the historic Silesian duchy centered on the city of Opole, often held by prominent European aristocrats.
- 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: Duke of Łęczyca Target entity description: The Duke of Łęczyca was a medieval Polish noble title held by members of the Piast dynasty who ruled the Łęczyca region.
-
A.
Duke of Brześć Kujawski
The Duke of Brześć Kujawski was a medieval Polish noble title held by members of the Kuyavian branch of the Piast dynasty, ruling over the Brześć Kujawski region in central Poland.
-
B.
Duke of Słupsk
The Duke of Słupsk was a medieval Pomeranian noble title held by members of the House of Griffins, rulers of the Duchy of Pomerania in what is now northwestern Poland and northeastern Germany.
-
C.
Duke of Inowrocław
The Duke of Inowrocław was a medieval Polish princely title held by members of the Kuyavian branch of the Piast dynasty who ruled the Inowrocław region.
-
D.
Duke of Sandomierz
The Duke of Sandomierz was a medieval Polish princely title associated with the fragmented Piast-ruled duchy centered on the city of Sandomierz.
-
E.
Duke of Opole
The Duke of Opole was a noble title associated with the historic Silesian duchy centered on the city of Opole, often held by prominent European aristocrats.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
medieval Polish title
ⓘ
noble title ⓘ |
| appliesToJurisdiction |
Duchy of Łęczyca
NERFINISHED
ⓘ
Łęczyca region NERFINISHED ⓘ |
| associatedWithEthnicGroup | Poles ⓘ |
| associatedWithEvent | feudal fragmentation of Poland ⓘ |
| country | Kingdom of Poland NERFINISHED ⓘ |
| endTime | 14th century ⓘ |
| feudalAllegiance |
King of Poland
NERFINISHED
ⓘ
Seniorate Province of Poland NERFINISHED ⓘ |
| followedBy | Voivode of Łęczyca NERFINISHED ⓘ |
| follows |
Duke of Greater Poland
NERFINISHED
ⓘ
Duke of Masovia NERFINISHED ⓘ |
| governmentForm | feudal duchy ⓘ |
| hasCapital | Łęczyca NERFINISHED ⓘ |
| hasTitleHolder |
Bolesław I of Masovia
NERFINISHED
ⓘ
Bolesław III Wrymouth NERFINISHED ⓘ Bolesław IV the Curly NERFINISHED ⓘ Bolesław the Pious NERFINISHED ⓘ Casimir I of Kuyavia NERFINISHED ⓘ Casimir II the Just NERFINISHED ⓘ Konrad I of Masovia NERFINISHED ⓘ Leszek II the Black NERFINISHED ⓘ Mieszko III the Old NERFINISHED ⓘ Siemowit I of Masovia NERFINISHED ⓘ Władysław I the Elbow-high NERFINISHED ⓘ Władysław II the Exile NERFINISHED ⓘ Władysław Odonic NERFINISHED ⓘ |
| historicalRegion |
Greater Poland borderlands
NERFINISHED
ⓘ
Lesser Poland NERFINISHED ⓘ |
| inception | after the Testament of Bolesław III Wrymouth ⓘ |
| languageUsed |
Latin
ⓘ
Polish ⓘ |
| locatedInTheAdministrativeTerritorialEntity | Łęczyca NERFINISHED ⓘ |
| nobleFamily | Piast dynasty NERFINISHED ⓘ |
| nobleRank | duke ⓘ |
| partOf |
Piast-ruled duchies of Poland
ⓘ
fragmentation period of Poland ⓘ |
| precededBy | Duke of Poland NERFINISHED ⓘ |
| region | central Poland ⓘ |
| religion | Roman Catholicism ⓘ |
| startTime | 12th century ⓘ |
| subclassOf |
ducal title
ⓘ
hereditary title ⓘ |
| territoryIncludes |
parts of central Poland
ⓘ
Łęczyca Land NERFINISHED ⓘ |
| titleHeldBy | male members of the Piast dynasty ⓘ |
| usedBy | Piast dynasty 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: Duke of Łęczyca Description of subject: The Duke of Łęczyca was a medieval Polish noble title held by members of the Piast dynasty who ruled the Łęczyca region.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.