Charles Leopold, Duke of Mecklenburg-Schwerin
E526378
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.
All labels observed (4)
How this entity was disambiguated
This entity first appeared as the object of triple T4535373 — 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 Leopold, Duke of Mecklenburg-Schwerin Context triple: [Anna Leopoldovna, father, Charles Leopold, Duke of Mecklenburg-Schwerin]
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A.
Duke Adolf Friedrich of Mecklenburg
Duke Adolf Friedrich of Mecklenburg was a German nobleman from the House of Mecklenburg who became known for his roles as a colonial official and explorer in Africa during the late 19th and early 20th centuries.
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B.
Duke Henry of Mecklenburg-Schwerin
Duke Henry of Mecklenburg-Schwerin was a German-born prince who became the prince consort of Queen Wilhelmina of the Netherlands.
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C.
Frederick Francis II, Grand Duke of Mecklenburg-Schwerin
Frederick Francis II, Grand Duke of Mecklenburg-Schwerin, was a 19th-century German sovereign who ruled the Grand Duchy of Mecklenburg-Schwerin and participated in key political and military events of the German Confederation and later the German Empire.
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D.
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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E.
Charles Frederick, Duke of Holstein-Gottorp
Charles Frederick, Duke of Holstein-Gottorp, was an 18th-century German prince whose marriage into the Russian imperial family positioned his descendants, including his son Peter III, in the line of succession to the Russian throne.
- 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 Leopold, Duke of Mecklenburg-Schwerin Target entity description: 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.
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A.
Duke Adolf Friedrich of Mecklenburg
Duke Adolf Friedrich of Mecklenburg was a German nobleman from the House of Mecklenburg who became known for his roles as a colonial official and explorer in Africa during the late 19th and early 20th centuries.
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B.
Duke Henry of Mecklenburg-Schwerin
Duke Henry of Mecklenburg-Schwerin was a German-born prince who became the prince consort of Queen Wilhelmina of the Netherlands.
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C.
Frederick Francis II, Grand Duke of Mecklenburg-Schwerin
Frederick Francis II, Grand Duke of Mecklenburg-Schwerin, was a 19th-century German sovereign who ruled the Grand Duchy of Mecklenburg-Schwerin and participated in key political and military events of the German Confederation and later the German Empire.
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D.
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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E.
Charles Frederick, Duke of Holstein-Gottorp
Charles Frederick, Duke of Holstein-Gottorp, was an 18th-century German prince whose marriage into the Russian imperial family positioned his descendants, including his son Peter III, in the line of succession to the Russian throne.
- F. None of above. chosen
Statements (28)
| Predicate | Object |
|---|---|
| instanceOf |
German nobleman
ⓘ
duke ⓘ human ⓘ ruler ⓘ |
| aristocraticRank | duke ⓘ |
| centuryOfActivity | 18th century ⓘ |
| continentOfActivity | Europe ⓘ |
| countryOfCitizenship |
Duchy of Mecklenburg-Schwerin
ⓘ
linked to:
Duchy of Mecklenburg
|
| ethnicGroup | German ⓘ |
| fatherOf | Anna Leopoldovna ⓘ |
| givenName |
Charles
ⓘ
Leopold ⓘ |
| grandfatherOf | Ivan VI of Russia ⓘ |
| hasDescendant | Ivan VI of Russia ⓘ |
| languageSpoken | German ⓘ |
| memberOf | German nobility ⓘ |
| nobleFamily | House of Mecklenburg ⓘ |
| nobleTitle |
Duke of Mecklenburg-Schwerin
ⓘ
linked to:
Duke of Mecklenburg
|
| notableFor | being the father of Russian regent Anna Leopoldovna ⓘ |
| notableRelative |
Anna Leopoldovna
ⓘ
Ivan VI of Russia ⓘ |
| occupation |
nobleman
ⓘ
ruler ⓘ |
| positionHeld |
Duke of Mecklenburg-Schwerin
ⓘ
linked to:
Duke of Mecklenburg
|
| regionOfActivity | Northern Germany ⓘ |
| relative |
Russian imperial family
ⓘ
linked to:
House of Romanov
|
| residence | Mecklenburg-Schwerin ⓘ |
| territoryRuled |
Duchy of Mecklenburg-Schwerin
ⓘ
linked to:
Duchy of Mecklenburg
|
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 Leopold, Duke of Mecklenburg-Schwerin Description of subject: 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.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Charles Leopold, Duke of Mecklenburg-Schwerin
linked to: Charles Leopold, Duke of Mecklenburg-Schwerin
Alexei Antonovich of Brunswick
→
maternalGrandfather
→
Ferdinand Leopold, Duke of Mecklenburg-Schwerin
ⓘ
linked to: Charles Leopold, Duke of Mecklenburg-Schwerin
linked to: Charles Leopold, Duke of Mecklenburg-Schwerin
Christian Ludwig II, Duke of Mecklenburg-Schwerin
→
predecessor
→
Charles Leopold, Duke of Mecklenburg-Schwerin
ⓘ