Charles Frederick, Grand Duke of Saxe-Weimar-Eisenach
E627460
Charles Frederick, Grand Duke of Saxe-Weimar-Eisenach, was a 19th-century German sovereign known for his long and relatively liberal reign over the small Grand Duchy of Saxe-Weimar-Eisenach within the German Confederation.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Charles Frederick, Grand Duke of Saxe-Weimar-Eisenach canonical | 6 |
| Karl Friedrich, Grand Duke of Saxe-Weimar-Eisenach | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6677474 — 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: Charles Frederick, Grand Duke of Saxe-Weimar-Eisenach Context triple: [Augusta of Saxe-Weimar-Eisenach, father, Charles Frederick, Grand Duke of Saxe-Weimar-Eisenach]
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A.
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.
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B.
Charles Frederick, Grand Duke of Baden
Charles Frederick, Grand Duke of Baden was an 18th–19th century German ruler who modernized and expanded Baden, transforming it into a significant state within the Holy Roman Empire and later the Confederation of the Rhine.
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C.
Karl August, Hereditary Grand Duke of Saxe-Weimar-Eisenach
Karl August, Hereditary Grand Duke of Saxe-Weimar-Eisenach, was a 19th-century German nobleman and heir apparent to the Grand Duchy of Saxe-Weimar-Eisenach, noted for his dynastic ties to several European royal families.
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D.
Wilhelm Ernst, Grand Duke of Saxe-Weimar-Eisenach
Wilhelm Ernst, Grand Duke of Saxe-Weimar-Eisenach, was a German sovereign who ruled the small Thuringian grand duchy in the late 19th and early 20th centuries, overseeing it through the final years of the German Empire and World War I.
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E.
Charles Leopold, Duke of Mecklenburg-Schwerin
Charles Leopold, Duke of Mecklenburg-Schwerin, was an 18th-century German nobleman and ruler of the Mecklenburg-Schwerin duchy, notable as the father of Russian regent Anna Leopoldovna.
- 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: Charles Frederick, Grand Duke of Saxe-Weimar-Eisenach Target entity description: Charles Frederick, Grand Duke of Saxe-Weimar-Eisenach, was a 19th-century German sovereign known for his long and relatively liberal reign over the small Grand Duchy of Saxe-Weimar-Eisenach within the German Confederation.
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A.
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.
-
B.
Charles Frederick, Grand Duke of Baden
Charles Frederick, Grand Duke of Baden was an 18th–19th century German ruler who modernized and expanded Baden, transforming it into a significant state within the Holy Roman Empire and later the Confederation of the Rhine.
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C.
Karl August, Hereditary Grand Duke of Saxe-Weimar-Eisenach
Karl August, Hereditary Grand Duke of Saxe-Weimar-Eisenach, was a 19th-century German nobleman and heir apparent to the Grand Duchy of Saxe-Weimar-Eisenach, noted for his dynastic ties to several European royal families.
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D.
Wilhelm Ernst, Grand Duke of Saxe-Weimar-Eisenach
Wilhelm Ernst, Grand Duke of Saxe-Weimar-Eisenach, was a German sovereign who ruled the small Thuringian grand duchy in the late 19th and early 20th centuries, overseeing it through the final years of the German Empire and World War I.
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E.
Charles Leopold, Duke of Mecklenburg-Schwerin
Charles Leopold, Duke of Mecklenburg-Schwerin, was an 18th-century German nobleman and ruler of the Mecklenburg-Schwerin duchy, notable as the father of Russian regent Anna Leopoldovna.
- F. None of above. chosen
Statements (48)
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: Charles Frederick, Grand Duke of Saxe-Weimar-Eisenach Description of subject: Charles Frederick, Grand Duke of Saxe-Weimar-Eisenach, was a 19th-century German sovereign known for his long and relatively liberal reign over the small Grand Duchy of Saxe-Weimar-Eisenach within the German Confederation.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
Charles Augustus, Grand Duke of Saxe-Weimar-Eisenach
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successor
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Charles Frederick, Grand Duke of Saxe-Weimar-Eisenach
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Charles Augustus, Grand Duke of Saxe-Weimar-Eisenach
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child
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Charles Frederick, Grand Duke of Saxe-Weimar-Eisenach
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Karl Alexander, Grand Duke of Saxe-Weimar-Eisenach
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father
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Karl Friedrich, Grand Duke of Saxe-Weimar-Eisenach
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linked to: Charles Frederick, Grand Duke of Saxe-Weimar-Eisenach
Princess Augusta of Saxe-Weimar-Eisenach
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father
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Charles Frederick, Grand Duke of Saxe-Weimar-Eisenach
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Grand Duke of Saxe-Weimar-Eisenach
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heldBy
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Charles Frederick, Grand Duke of Saxe-Weimar-Eisenach
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