Karl August, Hereditary Grand Duke of Saxe-Weimar-Eisenach
E466337
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Karl August, Hereditary Grand Duke of Saxe-Weimar-Eisenach canonical | 4 |
| Karl August | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3509977 — 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: Karl August, Hereditary Grand Duke of Saxe-Weimar-Eisenach Context triple: [Princess Sophie of the Netherlands, child, Karl August, Hereditary 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.
Karl Alexander, Grand Duke of Saxe-Weimar-Eisenach
Karl Alexander, Grand Duke of Saxe-Weimar-Eisenach, was a 19th-century German sovereign known for his relatively liberal rule and patronage of the arts and culture in his small Thuringian state.
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C.
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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D.
Duke Wilhelm Ernst of Saxe-Weimar
Duke Wilhelm Ernst of Saxe-Weimar was an early 18th-century German prince of the Ernestine Wettin line, noted for his strict Lutheran piety and for fostering the cultural life of Weimar, including employing Johann Sebastian Bach at his court.
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E.
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.
- 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: Karl August, Hereditary Grand Duke of Saxe-Weimar-Eisenach Target entity description: 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.
-
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.
Karl Alexander, Grand Duke of Saxe-Weimar-Eisenach
Karl Alexander, Grand Duke of Saxe-Weimar-Eisenach, was a 19th-century German sovereign known for his relatively liberal rule and patronage of the arts and culture in his small Thuringian state.
-
C.
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.
-
D.
Duke Wilhelm Ernst of Saxe-Weimar
Duke Wilhelm Ernst of Saxe-Weimar was an early 18th-century German prince of the Ernestine Wettin line, noted for his strict Lutheran piety and for fostering the cultural life of Weimar, including employing Johann Sebastian Bach at his court.
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E.
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.
- F. None of above. chosen
Statements (40)
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: Karl August, Hereditary Grand Duke of Saxe-Weimar-Eisenach Description of subject: 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.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
Princess Sophie of the Netherlands
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child
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Karl August, Hereditary Grand Duke of Saxe-Weimar-Eisenach
ⓘ
Karl Alexander, Grand Duke of Saxe-Weimar-Eisenach
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child
→
Karl August, Hereditary Grand Duke of Saxe-Weimar-Eisenach
ⓘ
Wilhelm Ernst, Grand Duke of Saxe-Weimar-Eisenach
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father
→
Karl August, Hereditary Grand Duke of Saxe-Weimar-Eisenach
ⓘ
linked to: Karl August, Hereditary Grand Duke of Saxe-Weimar-Eisenach
Wilhelm Ernst Karl Alexander Friedrich Heinrich Bernhard Albert Georg Hermann
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father
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Karl August, Hereditary Grand Duke of Saxe-Weimar-Eisenach
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