Johann August of Saxe-Gotha-Altenburg
E788448
German prince
member of the Ernestine line
member of the House of Wettin
member of the ducal house of Saxe-Gotha-Altenburg
Johann August of Saxe-Gotha-Altenburg was a German prince of the Ernestine Wettin line from the ducal house of Saxe-Gotha-Altenburg in the 18th century.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Johann August of Saxe-Gotha-Altenburg canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T8761609 — 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: Johann August of Saxe-Gotha-Altenburg Context triple: [Frederick II, Duke of Saxe-Gotha-Altenburg, child, Johann August of Saxe-Gotha-Altenburg]
-
A.
Christian August, Prince of Anhalt-Zerbst
Christian August, Prince of Anhalt-Zerbst, was a minor German prince and Prussian general of the 18th century best known as the father of Catherine the Great of Russia.
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B.
Johann Wilhelm, Duke of Saxe-Eisenach
Johann Wilhelm, Duke of Saxe-Eisenach, was a German prince of the Ernestine Wettin line who ruled the small Thuringian duchy in the late 17th and early 18th centuries.
-
C.
Frederick II, Duke of Saxe-Gotha-Altenburg
Frederick II, Duke of Saxe-Gotha-Altenburg was an 18th-century German prince of the Ernestine Wettin line, noted as the ruler of the small Thuringian duchy of Saxe-Gotha-Altenburg and the father of Princess Augusta, who became Princess of Wales.
-
D.
Frederick III, Duke of Saxe-Gotha-Altenburg
Frederick III, Duke of Saxe-Gotha-Altenburg, was an 18th-century German prince of the Ernestine Wettin line who ruled the small Thuringian duchy of Saxe-Gotha-Altenburg.
-
E.
Augustus, Prince of Anhalt-Zerbst
Augustus, Prince of Anhalt-Zerbst was a German prince of the House of Ascania who ruled the small principality of Anhalt-Zerbst in the early 18th century.
- 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: Johann August of Saxe-Gotha-Altenburg Target entity description: Johann August of Saxe-Gotha-Altenburg was a German prince of the Ernestine Wettin line from the ducal house of Saxe-Gotha-Altenburg in the 18th century.
-
A.
Christian August, Prince of Anhalt-Zerbst
Christian August, Prince of Anhalt-Zerbst, was a minor German prince and Prussian general of the 18th century best known as the father of Catherine the Great of Russia.
-
B.
Johann Wilhelm, Duke of Saxe-Eisenach
Johann Wilhelm, Duke of Saxe-Eisenach, was a German prince of the Ernestine Wettin line who ruled the small Thuringian duchy in the late 17th and early 18th centuries.
-
C.
Frederick II, Duke of Saxe-Gotha-Altenburg
Frederick II, Duke of Saxe-Gotha-Altenburg was an 18th-century German prince of the Ernestine Wettin line, noted as the ruler of the small Thuringian duchy of Saxe-Gotha-Altenburg and the father of Princess Augusta, who became Princess of Wales.
-
D.
Frederick III, Duke of Saxe-Gotha-Altenburg
Frederick III, Duke of Saxe-Gotha-Altenburg, was an 18th-century German prince of the Ernestine Wettin line who ruled the small Thuringian duchy of Saxe-Gotha-Altenburg.
-
E.
Augustus, Prince of Anhalt-Zerbst
Augustus, Prince of Anhalt-Zerbst was a German prince of the House of Ascania who ruled the small principality of Anhalt-Zerbst in the early 18th century.
- F. None of above. chosen
Statements (21)
| Predicate | Object |
|---|---|
| instanceOf |
German prince
ⓘ
member of the Ernestine line ⓘ member of the House of Wettin ⓘ member of the ducal house of Saxe-Gotha-Altenburg ⓘ |
| centuryOfActivity | 18th century ⓘ |
| countryOfCitizenship | Holy Roman Empire ⓘ |
| dynasticBranch | Ernestine line NERFINISHED ⓘ |
| dynasty | House of Wettin NERFINISHED ⓘ |
| ethnicGroup | German ⓘ |
| familyName | Wettin NERFINISHED ⓘ |
| givenName | Johann August NERFINISHED ⓘ |
| houseSeat |
Altenburg
NERFINISHED
ⓘ
Gotha NERFINISHED ⓘ |
| languageOfUse | German ⓘ |
| nobleFamily | House of Saxe-Gotha-Altenburg NERFINISHED ⓘ |
| nobleRank | prince ⓘ |
| nobleTitle | prince of Saxe-Gotha-Altenburg ⓘ |
| partOf | Ernestine duchies NERFINISHED ⓘ |
| realm | Duchy of Saxe-Gotha-Altenburg NERFINISHED ⓘ |
| region | Thuringia NERFINISHED ⓘ |
| socialClass | nobility ⓘ |
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: Johann August of Saxe-Gotha-Altenburg Description of subject: Johann August of Saxe-Gotha-Altenburg was a German prince of the Ernestine Wettin line from the ducal house of Saxe-Gotha-Altenburg in the 18th century.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.