Ludwik I the Fair
E1018327
Ludwik I the Fair was a 14th-century Silesian Piast duke known for his rule over Brzeg and Legnica and his efforts to strengthen and consolidate his fragmented duchies.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Ludwik I the Fair canonical | 3 |
| Ludwik II of Brzeg | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13049856 — 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: Ludwik I the Fair Context triple: [Piasts of Brzeg, notableMember, Ludwik I the Fair]
-
A.
John Casimir of Simmern
John Casimir of Simmern was a 16th-century German Calvinist prince of the Palatinate known for his military leadership in the French Wars of Religion and his role in advancing Protestant causes in Europe.
-
B.
Frederick of Cieszyn
Frederick of Cieszyn was a 15th-century Silesian Piast duke who briefly ruled part of the Duchy of Teschen.
-
C.
Bolesław IV the Curly
Bolesław IV the Curly was a 12th-century Polish duke from the Piast dynasty who ruled as High Duke of Poland during the period of regional fragmentation.
-
D.
Coloman of Galicia-Lodomeria
Coloman of Galicia-Lodomeria was a 13th-century Hungarian prince of the Árpád dynasty who briefly ruled as king over the regions of Galicia and Lodomeria in Eastern Europe.
-
E.
King Casimir III the Great
King Casimir III the Great was a 14th-century King of Poland renowned for strengthening the Polish state through legal reforms, territorial expansion, and economic development.
- 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: Ludwik I the Fair Target entity description: Ludwik I the Fair was a 14th-century Silesian Piast duke known for his rule over Brzeg and Legnica and his efforts to strengthen and consolidate his fragmented duchies.
-
A.
John Casimir of Simmern
John Casimir of Simmern was a 16th-century German Calvinist prince of the Palatinate known for his military leadership in the French Wars of Religion and his role in advancing Protestant causes in Europe.
-
B.
Frederick of Cieszyn
Frederick of Cieszyn was a 15th-century Silesian Piast duke who briefly ruled part of the Duchy of Teschen.
-
C.
Bolesław IV the Curly
Bolesław IV the Curly was a 12th-century Polish duke from the Piast dynasty who ruled as High Duke of Poland during the period of regional fragmentation.
-
D.
Coloman of Galicia-Lodomeria
Coloman of Galicia-Lodomeria was a 13th-century Hungarian prince of the Árpád dynasty who briefly ruled as king over the regions of Galicia and Lodomeria in Eastern Europe.
-
E.
King Casimir III the Great
King Casimir III the Great was a 14th-century King of Poland renowned for strengthening the Polish state through legal reforms, territorial expansion, and economic development.
- F. None of above. chosen
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf |
Piast dynasty member
ⓘ
Silesian Piast ⓘ duke ⓘ human ⓘ |
| continent | Europe ⓘ |
| countryOfCitizenship | Kingdom of Poland ⓘ |
| dynasty | Piast dynasty ⓘ |
| era | Late Middle Ages ⓘ |
| ethnicGroup | Polish ⓘ |
| givenName | Ludwik ⓘ |
| governmentForm | feudal monarchy ⓘ |
| historicalRegion | Lower Silesia ⓘ |
| knownFor |
efforts to consolidate fragmented Silesian territories
ⓘ
efforts to strengthen his duchies ⓘ rule over Brzeg ⓘ rule over Legnica ⓘ |
| languageUsed | Polish ⓘ |
| memberOf | Silesian Piasts ⓘ |
| nobleFamily | Piast dynasty ⓘ |
| nobleRank | duke ⓘ |
| occupation |
nobleman
ⓘ
ruler ⓘ |
| partOf |
Piast-ruled Silesian duchies
ⓘ
linked to:
Silesian duchies
fragmented Silesian duchies ⓘ |
| positionHeld |
Duke of Brzeg
ⓘ
Duke of Brzeg-Legnica ⓘ Duke of Legnica ⓘ |
| region | Silesia ⓘ |
| religion | Roman Catholicism ⓘ |
| residence |
Brzeg
ⓘ
Legnica ⓘ |
| ruledTerritory |
Duchy of Brzeg
ⓘ
Duchy of Legnica ⓘ |
| sexOrGender | male ⓘ |
| timePeriod | 14th century ⓘ |
| title | Duke ⓘ |
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: Ludwik I the Fair Description of subject: Ludwik I the Fair was a 14th-century Silesian Piast duke known for his rule over Brzeg and Legnica and his efforts to strengthen and consolidate his fragmented duchies.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Ludwik I the Fair