Ernest Frederick, Duke of Saxe-Coburg-Saalfeld
E487441
Ernest Frederick, Duke of Saxe-Coburg-Saalfeld was an 18th-century German prince of the Ernestine Wettin line who ruled the small duchy of Saxe-Coburg-Saalfeld within the Holy Roman Empire.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ernest Frederick, Duke of Saxe-Coburg-Saalfeld canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T4939234 — 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: Ernest Frederick, Duke of Saxe-Coburg-Saalfeld Context triple: [Francis, Duke of Saxe-Coburg-Saalfeld, father, Ernest Frederick, Duke of Saxe-Coburg-Saalfeld]
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A.
Ernest II, Duke of Saxe-Coburg and Gotha
Ernest II, Duke of Saxe-Coburg and Gotha was a 19th-century German sovereign duke known for his liberal political views, patronage of the arts and sciences, and role as head of the ducal house after the death of his more famous brother, Prince Albert.
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B.
Ernest I, Duke of Saxe-Coburg and Gotha
Ernest I, Duke of Saxe-Coburg and Gotha was a 19th-century German prince who ruled the duchy of Saxe-Coburg and Gotha and became the progenitor of a major European royal dynasty.
-
C.
Duke of Saxe-Coburg and Gotha
The Duke of Saxe-Coburg and Gotha was the sovereign ruler of the small German duchy of Saxe-Coburg and Gotha, a title historically linked to the British royal family and held by members of the House of Wettin.
-
D.
Francis, Duke of Saxe-Coburg-Saalfeld
Francis, Duke of Saxe-Coburg-Saalfeld, was an 18th–19th century German prince of the House of Wettin whose descendants included several prominent European monarchs.
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E.
Prince Coburg of Saxe-Coburg-Saalfeld
Prince Coburg of Saxe-Coburg-Saalfeld was an 18th-century Austrian field marshal and nobleman who played a leading role in the early wars against Revolutionary France.
- 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: Ernest Frederick, Duke of Saxe-Coburg-Saalfeld Target entity description: Ernest Frederick, Duke of Saxe-Coburg-Saalfeld was an 18th-century German prince of the Ernestine Wettin line who ruled the small duchy of Saxe-Coburg-Saalfeld within the Holy Roman Empire.
-
A.
Ernest II, Duke of Saxe-Coburg and Gotha
Ernest II, Duke of Saxe-Coburg and Gotha was a 19th-century German sovereign duke known for his liberal political views, patronage of the arts and sciences, and role as head of the ducal house after the death of his more famous brother, Prince Albert.
-
B.
Ernest I, Duke of Saxe-Coburg and Gotha
Ernest I, Duke of Saxe-Coburg and Gotha was a 19th-century German prince who ruled the duchy of Saxe-Coburg and Gotha and became the progenitor of a major European royal dynasty.
-
C.
Duke of Saxe-Coburg and Gotha
The Duke of Saxe-Coburg and Gotha was the sovereign ruler of the small German duchy of Saxe-Coburg and Gotha, a title historically linked to the British royal family and held by members of the House of Wettin.
-
D.
Francis, Duke of Saxe-Coburg-Saalfeld
Francis, Duke of Saxe-Coburg-Saalfeld, was an 18th–19th century German prince of the House of Wettin whose descendants included several prominent European monarchs.
-
E.
Prince Coburg of Saxe-Coburg-Saalfeld
Prince Coburg of Saxe-Coburg-Saalfeld was an 18th-century Austrian field marshal and nobleman who played a leading role in the early wars against Revolutionary France.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
18th-century German nobility
ⓘ
German prince ⓘ duke ⓘ human ⓘ member of the House of Wettin ⓘ |
| belongsToPoliticalEntity | Upper Saxon Circle of the Holy Roman Empire NERFINISHED ⓘ |
| birthDate | 1724-03-08 ⓘ |
| birthPlace | Saalfeld NERFINISHED ⓘ |
| burialPlace | Morizkirche, Coburg NERFINISHED ⓘ |
| child | Francis Josias, Duke of Saxe-Coburg-Saalfeld NERFINISHED ⓘ |
| countryOfCitizenship | Holy Roman Empire ⓘ |
| deathDate | 1800-09-08 ⓘ |
| deathPlace | Coburg NERFINISHED ⓘ |
| era |
18th century
ⓘ
early 19th century ⓘ |
| ethnicGroup | German ⓘ |
| father | John Ernest IV, Duke of Saxe-Coburg-Saalfeld NERFINISHED ⓘ |
| fullName | Ernest Frederick, Duke of Saxe-Coburg-Saalfeld NERFINISHED ⓘ |
| gender | male ⓘ |
| givenName |
Ernest
NERFINISHED
ⓘ
Frederick NERFINISHED ⓘ |
| hasTitleRank | ducal rank ⓘ |
| languageSpoken | German ⓘ |
| memberOfDynasty | Ernestine line of the House of Wettin NERFINISHED ⓘ |
| monarchOf | Saxe-Coburg-Saalfeld NERFINISHED ⓘ |
| mother | Charlotte Johanna of Waldeck-Wildungen NERFINISHED ⓘ |
| nobleBranch | Ernestine branch of the House of Wettin NERFINISHED ⓘ |
| nobleFamily | House of Wettin NERFINISHED ⓘ |
| nobleTitle | Duke of Saxe-Coburg-Saalfeld NERFINISHED ⓘ |
| partOf | Holy Roman Empire ⓘ |
| positionHeld | Duke of Saxe-Coburg-Saalfeld NERFINISHED ⓘ |
| predecessor | John Ernest IV, Duke of Saxe-Coburg-Saalfeld NERFINISHED ⓘ |
| reignEnd | 1800 ⓘ |
| reignStart | 1764 ⓘ |
| religion | Lutheranism ⓘ |
| ruled | Duchy of Saxe-Coburg-Saalfeld NERFINISHED ⓘ |
| spouse | Sophia Antonia of Brunswick-Wolfenbüttel NERFINISHED ⓘ |
| styledAs | His Serene Highness ⓘ |
| successor | Francis Josias, Duke of Saxe-Coburg-Saalfeld NERFINISHED ⓘ |
| territoryRuled |
Saalfeld
NERFINISHED
ⓘ
Saxe-Coburg NERFINISHED ⓘ |
| titleHeldFrom | 1764 ⓘ |
| titleHeldTo | 1800 ⓘ |
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: Ernest Frederick, Duke of Saxe-Coburg-Saalfeld Description of subject: Ernest Frederick, Duke of Saxe-Coburg-Saalfeld was an 18th-century German prince of the Ernestine Wettin line who ruled the small duchy of Saxe-Coburg-Saalfeld within the Holy Roman Empire.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
Francis, Duke of Saxe-Coburg-Saalfeld
→
predecessor
→
Ernest Frederick, Duke of Saxe-Coburg-Saalfeld
ⓘ