Casimir IV, Duke of Pomerania
E1006630
Casimir IV, Duke of Pomerania was a 14th-century member of the House of Griffins who ruled part of the Duchy of Pomerania in the Holy Roman Empire.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Casimir IV, Duke of Pomerania canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T12713087 — 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: Casimir IV, Duke of Pomerania Context triple: [Bogislaw V, Duke of Pomerania, child, Casimir IV, Duke of Pomerania]
-
A.
Wartislaw IV, Duke of Pomerania
Wartislaw IV, Duke of Pomerania, was a 14th-century member of the House of Griffins who ruled parts of the Duchy of Pomerania during the fragmentation of the region within the Holy Roman Empire.
-
B.
Wartislaw VII, Duke of Pomerania
Wartislaw VII, Duke of Pomerania, was a late 14th-century Pomeranian nobleman of the House of Griffins and a regional ruler whose lineage produced Eric of Pomerania, king of the Kalmar Union.
-
C.
Wartislaw V, Duke of Pomerania
Wartislaw V, Duke of Pomerania, was a 14th-century member of the House of Griffins who ruled part of the Duchy of Pomerania during the period of its territorial partitions.
-
D.
Bogislaw VI, Duke of Pomerania
Bogislaw VI, Duke of Pomerania, was a 14th-century member of the House of Griffins who ruled part of the Duchy of Pomerania in the Holy Roman Empire.
-
E.
Bogislaw V, Duke of Pomerania
Bogislaw V, Duke of Pomerania, was a 14th-century Pomeranian ruler from the House of Griffins, notable as a regional prince of the Holy Roman Empire and the father of Elizabeth of Pomerania, queen consort of Charles IV.
- 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: Casimir IV, Duke of Pomerania Target entity description: Casimir IV, Duke of Pomerania was a 14th-century member of the House of Griffins who ruled part of the Duchy of Pomerania in the Holy Roman Empire.
-
A.
Wartislaw IV, Duke of Pomerania
Wartislaw IV, Duke of Pomerania, was a 14th-century member of the House of Griffins who ruled parts of the Duchy of Pomerania during the fragmentation of the region within the Holy Roman Empire.
-
B.
Wartislaw VII, Duke of Pomerania
Wartislaw VII, Duke of Pomerania, was a late 14th-century Pomeranian nobleman of the House of Griffins and a regional ruler whose lineage produced Eric of Pomerania, king of the Kalmar Union.
-
C.
Wartislaw V, Duke of Pomerania
Wartislaw V, Duke of Pomerania, was a 14th-century member of the House of Griffins who ruled part of the Duchy of Pomerania during the period of its territorial partitions.
-
D.
Bogislaw VI, Duke of Pomerania
Bogislaw VI, Duke of Pomerania, was a 14th-century member of the House of Griffins who ruled part of the Duchy of Pomerania in the Holy Roman Empire.
-
E.
Bogislaw V, Duke of Pomerania
Bogislaw V, Duke of Pomerania, was a 14th-century Pomeranian ruler from the House of Griffins, notable as a regional prince of the Holy Roman Empire and the father of Elizabeth of Pomerania, queen consort of Charles IV.
- F. None of above. chosen
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf |
Pomeranian duke
ⓘ
duke ⓘ member of the House of Griffins ⓘ nobleman ⓘ |
| allegiance | Holy Roman Empire NERFINISHED ⓘ |
| century of activity | 14th century ⓘ |
| country | Duchy of Pomerania NERFINISHED ⓘ |
| dynasty | House of Griffins NERFINISHED ⓘ |
| ethnic group | Pomeranian ⓘ |
| father | Bogislaw V, Duke of Pomerania NERFINISHED ⓘ |
| father-in-law |
Gediminas, Grand Duke of Lithuania
NERFINISHED
ⓘ
Siemowit III, Duke of Masovia NERFINISHED ⓘ |
| historical period | Late Middle Ages ⓘ |
| house | House of Griffins NERFINISHED ⓘ |
| marital status | married twice ⓘ |
| mother | Elizabeth of Poland NERFINISHED ⓘ |
| mother-in-law | Aldona of Lithuania NERFINISHED ⓘ |
| noble family | House of Griffins NERFINISHED ⓘ |
| noble house | House of Griffins NERFINISHED ⓘ |
| noble rank | duke ⓘ |
| noble title | Duke of Pomerania NERFINISHED ⓘ |
| notable relative | Charles IV, Holy Roman Emperor NERFINISHED ⓘ |
| occupation | ruler ⓘ |
| part of | Holy Roman Empire NERFINISHED ⓘ |
| political entity | Duchy of Pomerania-Stolp NERFINISHED ⓘ |
| position held | Duke of Pomerania NERFINISHED ⓘ |
| realm | Duchy of Pomerania-Stolp NERFINISHED ⓘ |
| region | Pomerania NERFINISHED ⓘ |
| relative | Casimir III the Great NERFINISHED ⓘ |
| religion | Roman Catholicism ⓘ |
| sibling |
Barnim VI, Duke of Pomerania
NERFINISHED
ⓘ
Bogislaw VIII, Duke of Pomerania NERFINISHED ⓘ Elizabeth of Pomerania, Holy Roman Empress NERFINISHED ⓘ Swantibor III, Duke of Pomerania NERFINISHED ⓘ |
| spouse |
Kenna of Lithuania
NERFINISHED
ⓘ
Margaret of Masovia NERFINISHED ⓘ |
| territory ruled | Pomerania-Stolp NERFINISHED ⓘ |
| title held | Duke in Pomerania-Stolp ⓘ |
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: Casimir IV, Duke of Pomerania Description of subject: Casimir IV, Duke of Pomerania was a 14th-century member of the House of Griffins who ruled part of the Duchy of Pomerania in the Holy Roman Empire.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.