Frederick Augustus, Duke of Nassau
E421223
Frederick Augustus, Duke of Nassau was a German nobleman who became the inaugural ruler of the Duchy of Nassau in the early 19th century.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Frederick Augustus, Duke of Nassau canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2843664 — 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: Frederick Augustus, Duke of Nassau Context triple: [Duchy of Nassau, firstRuler, Frederick Augustus, Duke of Nassau]
-
A.
William Frederick of Nassau-Dietz
William Frederick of Nassau-Dietz was a 17th-century Dutch nobleman who served as Stadtholder of Friesland, Groningen, and Drenthe and was a key ancestor of the later Dutch royal House of Orange-Nassau.
-
B.
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.
-
C.
Frederick VI, Landgrave of Hesse-Homburg
Frederick VI, Landgrave of Hesse-Homburg, was a German nobleman and military officer who ruled the small Landgraviate of Hesse-Homburg in the early 19th century and was married to Princess Elizabeth, daughter of King George III of the United Kingdom.
-
D.
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.
-
E.
Charles Augustus, Grand Duke of Saxe-Weimar-Eisenach
Charles Augustus, Grand Duke of Saxe-Weimar-Eisenach, was an 18th–19th century German ruler best known as a major patron of Weimar Classicism and supporter of figures like Goethe and Schiller.
- 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: Frederick Augustus, Duke of Nassau Target entity description: Frederick Augustus, Duke of Nassau was a German nobleman who became the inaugural ruler of the Duchy of Nassau in the early 19th century.
-
A.
William Frederick of Nassau-Dietz
William Frederick of Nassau-Dietz was a 17th-century Dutch nobleman who served as Stadtholder of Friesland, Groningen, and Drenthe and was a key ancestor of the later Dutch royal House of Orange-Nassau.
-
B.
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.
-
C.
Frederick VI, Landgrave of Hesse-Homburg
Frederick VI, Landgrave of Hesse-Homburg, was a German nobleman and military officer who ruled the small Landgraviate of Hesse-Homburg in the early 19th century and was married to Princess Elizabeth, daughter of King George III of the United Kingdom.
-
D.
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.
-
E.
Charles Augustus, Grand Duke of Saxe-Weimar-Eisenach
Charles Augustus, Grand Duke of Saxe-Weimar-Eisenach, was an 18th–19th century German ruler best known as a major patron of Weimar Classicism and supporter of figures like Goethe and Schiller.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
German noble
ⓘ
duke ⓘ human ⓘ monarch ⓘ nobleman ⓘ |
| aristocraticRank | duke ⓘ |
| associatedWith |
German nobility
ⓘ
House of Nassau-Weilburg ⓘ |
| centuryOfActivity | 19th century ⓘ |
| continent | Europe ⓘ |
| countryOfCitizenship |
Duchy of Nassau
ⓘ
Holy Roman Empire ⓘ |
| ethnicGroup | German ⓘ |
| givenName |
Frederick Augustus
ⓘ
linked to:
Frederick Augustus, Prince of Nassau-Usingen
|
| governmentForm | monarchy ⓘ |
| historicalRegion | Western Germany ⓘ |
| languageSpoken | German ⓘ |
| monarchOf | Duchy of Nassau ⓘ |
| name | Frederick Augustus, Duke of Nassau ⓘ |
| nobleFamily | House of Nassau ⓘ |
| nobleTitle | Duke of Nassau ⓘ |
| notableFor | being the inaugural ruler of the Duchy of Nassau ⓘ |
| positionHeld |
Duke of Nassau
ⓘ
ruler of the Duchy of Nassau ⓘ |
| rank | sovereign duke ⓘ |
| realm | Nassau ⓘ |
| region | German states ⓘ |
| residence | Nassau ⓘ |
| role | head of state of the Duchy of Nassau ⓘ |
| 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: Frederick Augustus, Duke of Nassau Description of subject: Frederick Augustus, Duke of Nassau was a German nobleman who became the inaugural ruler of the Duchy of Nassau in the early 19th century.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.