Otto, Duke of Brunswick-Grubenhagen
E523654
Otto, Duke of Brunswick-Grubenhagen, was a 14th-century German prince of the Welf dynasty who became King of Naples through his marriage to Queen Joanna I.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Otto, Duke of Brunswick-Grubenhagen canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4300092 — 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: Otto, Duke of Brunswick-Grubenhagen Context triple: [Joanna I of Naples, spouse, Otto, Duke of Brunswick-Grubenhagen]
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A.
Ferdinand Albert II, Duke of Brunswick-Wolfenbüttel
Ferdinand Albert II, Duke of Brunswick-Wolfenbüttel, was an 18th-century German prince of the Holy Roman Empire who ruled the Duchy of Brunswick-Wolfenbüttel and belonged to the Brunswick-Bevern cadet branch of the House of Welf.
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B.
Duke Ferdinand of Brunswick
Duke Ferdinand of Brunswick was an 18th-century Prussian field marshal best known for successfully commanding allied forces against the French in Western Germany during the Seven Years' War.
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C.
Duke Adolf Friedrich of Mecklenburg
Duke Adolf Friedrich of Mecklenburg was a German nobleman from the House of Mecklenburg who became known for his roles as a colonial official and explorer in Africa during the late 19th and early 20th centuries.
-
D.
Friedrich of Hesse and by Rhine
Friedrich of Hesse and by Rhine was a young German prince of the House of Hesse-Darmstadt, notable mainly as a son of Louis IV, Grand Duke of Hesse, and for dying in childhood.
-
E.
Ferdinand Albert I, Duke of Brunswick-Bevern
Ferdinand Albert I, Duke of Brunswick-Bevern, was a 17th–18th century German prince of the House of Welf who ruled the small ducal principality of Brunswick-Bevern within the Holy Roman Empire.
- 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: Otto, Duke of Brunswick-Grubenhagen Target entity description: Otto, Duke of Brunswick-Grubenhagen, was a 14th-century German prince of the Welf dynasty who became King of Naples through his marriage to Queen Joanna I.
-
A.
Ferdinand Albert II, Duke of Brunswick-Wolfenbüttel
Ferdinand Albert II, Duke of Brunswick-Wolfenbüttel, was an 18th-century German prince of the Holy Roman Empire who ruled the Duchy of Brunswick-Wolfenbüttel and belonged to the Brunswick-Bevern cadet branch of the House of Welf.
-
B.
Duke Ferdinand of Brunswick
Duke Ferdinand of Brunswick was an 18th-century Prussian field marshal best known for successfully commanding allied forces against the French in Western Germany during the Seven Years' War.
-
C.
Duke Adolf Friedrich of Mecklenburg
Duke Adolf Friedrich of Mecklenburg was a German nobleman from the House of Mecklenburg who became known for his roles as a colonial official and explorer in Africa during the late 19th and early 20th centuries.
-
D.
Friedrich of Hesse and by Rhine
Friedrich of Hesse and by Rhine was a young German prince of the House of Hesse-Darmstadt, notable mainly as a son of Louis IV, Grand Duke of Hesse, and for dying in childhood.
-
E.
Ferdinand Albert I, Duke of Brunswick-Bevern
Ferdinand Albert I, Duke of Brunswick-Bevern, was a 17th–18th century German prince of the House of Welf who ruled the small ducal principality of Brunswick-Bevern within the Holy Roman Empire.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
German prince
ⓘ
consort king ⓘ duke ⓘ human ⓘ member of nobility ⓘ |
| centuryOfActivity | 14th century ⓘ |
| countryOfCitizenship | Holy Roman Empire ⓘ |
| dynasty | Welf dynasty NERFINISHED ⓘ |
| ethnicGroup | German ⓘ |
| floruit | 14th century ⓘ |
| gender | male ⓘ |
| languageOfCommunication | German ⓘ |
| memberOf |
House of Brunswick-Grubenhagen
NERFINISHED
ⓘ
House of Welf NERFINISHED ⓘ |
| monarchOf | Naples NERFINISHED ⓘ |
| nobleFamily |
House of Brunswick-Grubenhagen
NERFINISHED
ⓘ
Welf dynasty NERFINISHED ⓘ |
| nobleTitle | Duke of Brunswick-Grubenhagen NERFINISHED ⓘ |
| occupation |
nobleman
ⓘ
ruler ⓘ |
| placeOfActivity |
Brunswick-Grubenhagen
NERFINISHED
ⓘ
Kingdom of Naples NERFINISHED ⓘ |
| positionHeld |
Duke of Brunswick-Grubenhagen
NERFINISHED
ⓘ
King consort of Naples ⓘ King of Naples NERFINISHED ⓘ |
| realm |
Duchy of Brunswick-Grubenhagen
NERFINISHED
ⓘ
Kingdom of Naples NERFINISHED ⓘ |
| religion | Roman Catholicism ⓘ |
| spouse | Joanna I of Naples NERFINISHED ⓘ |
| titleHeldThrough | marriage to Joanna I of Naples ⓘ |
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: Otto, Duke of Brunswick-Grubenhagen Description of subject: Otto, Duke of Brunswick-Grubenhagen, was a 14th-century German prince of the Welf dynasty who became King of Naples through his marriage to Queen Joanna I.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.