Alexei Nikolaevich, Tsarevich of Russia
E21691
Alexei Nikolaevich, Tsarevich of Russia, was the hemophiliac heir apparent and only son of Tsar Nicholas II, whose assassination with his family in 1918 marked the end of the Russian imperial dynasty.
All labels observed (11)
How this entity was disambiguated
This entity first appeared as the object of triple T98539 — 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: Alexei Nikolaevich, Tsarevich of Russia Context triple: [House of Romanov, hasMember, Alexei Nikolaevich, Tsarevich of Russia]
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A.
Peter II of Russia
Peter II of Russia was an early 18th-century emperor of Russia from the Romanov dynasty whose brief reign followed that of his grandfather Peter the Great.
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B.
Ivan VI of Russia
Ivan VI of Russia was an infant emperor of Russia from the House of Romanov whose brief reign ended when he was deposed and later imprisoned and killed.
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C.
Tsar Nicholas II of Russia
Tsar Nicholas II of Russia was the last Emperor of Russia, whose reign ended with the collapse of the Russian Empire and his execution following the 1917 Revolution.
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D.
Alexander III of Russia
Alexander III of Russia was the Emperor of Russia from 1881 to 1894, known for his conservative, autocratic rule and efforts to strengthen and centralize the Russian Empire.
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E.
Peter III of Russia
Peter III of Russia was an 18th-century Emperor of Russia whose short and unpopular reign ended in a coup that brought his wife, Catherine the Great, to power.
- 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: Alexei Nikolaevich, Tsarevich of Russia Target entity description: Alexei Nikolaevich, Tsarevich of Russia, was the hemophiliac heir apparent and only son of Tsar Nicholas II, whose assassination with his family in 1918 marked the end of the Russian imperial dynasty.
-
A.
Peter II of Russia
Peter II of Russia was an early 18th-century emperor of Russia from the Romanov dynasty whose brief reign followed that of his grandfather Peter the Great.
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B.
Ivan VI of Russia
Ivan VI of Russia was an infant emperor of Russia from the House of Romanov whose brief reign ended when he was deposed and later imprisoned and killed.
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C.
Tsar Nicholas II of Russia
Tsar Nicholas II of Russia was the last Emperor of Russia, whose reign ended with the collapse of the Russian Empire and his execution following the 1917 Revolution.
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D.
Alexander III of Russia
Alexander III of Russia was the Emperor of Russia from 1881 to 1894, known for his conservative, autocratic rule and efforts to strengthen and centralize the Russian Empire.
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E.
Peter III of Russia
Peter III of Russia was an 18th-century Emperor of Russia whose short and unpopular reign ended in a coup that brought his wife, Catherine the Great, to power.
- 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: Alexei Nikolaevich, Tsarevich of Russia Description of subject: Alexei Nikolaevich, Tsarevich of Russia, was the hemophiliac heir apparent and only son of Tsar Nicholas II, whose assassination with his family in 1918 marked the end of the Russian imperial dynasty.
Referenced by (44)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Tsar Nicholas II of Russia
linked to: Alexei Nikolaevich, Tsarevich of Russia
linked to: Alexei Nikolaevich, Tsarevich of Russia
linked to: Alexei Nikolaevich, Tsarevich of Russia
linked to: Alexei Nikolaevich, Tsarevich of Russia
linked to: Alexei Nikolaevich, Tsarevich of Russia
linked to: Alexei Nikolaevich, Tsarevich of Russia
linked to: Alexei Nikolaevich, Tsarevich of Russia
linked to: Alexei Nikolaevich, Tsarevich of Russia
linked to: Alexei Nikolaevich, Tsarevich of Russia
linked to: Alexei Nikolaevich, Tsarevich of Russia
linked to: Alexei Nikolaevich, Tsarevich of Russia
linked to: Alexei Nikolaevich, Tsarevich of Russia
Church on the Blood in Yekaterinburg
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associatedWithPerson
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Alexei Nikolaevich, Tsarevich of Russia
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subject linked to:
Church on the Blood in Yekaterinburg (associated site)
linked to: Alexei Nikolaevich, Tsarevich of Russia
linked to: Alexei Nikolaevich, Tsarevich of Russia
linked to: Alexei Nikolaevich, Tsarevich of Russia
linked to: Alexei Nikolaevich, Tsarevich of Russia
linked to: Alexei Nikolaevich, Tsarevich of Russia
subject linked to:
Alix
linked to: Alexei Nikolaevich, Tsarevich of Russia
linked to: Alexei Nikolaevich, Tsarevich of Russia
subject linked to:
Her Imperial Highness Grand Duchess Tatiana Nikolaevna of Russia
subject linked to:
Her Imperial Highness Grand Duchess Maria Nikolaevna of Russia
subject linked to:
Grigori
linked to: Alexei Nikolaevich, Tsarevich of Russia
subject linked to:
Grigori
linked to: Alexei Nikolaevich, Tsarevich of Russia
linked to: Alexei Nikolaevich, Tsarevich of Russia
linked to: Alexei Nikolaevich, Tsarevich of Russia
subject linked to:
tsesarevich (title of the heir apparent to the Russian throne)
linked to: Alexei Nikolaevich, Tsarevich of Russia
subject linked to:
tsesarevich (title of the heir apparent to the Russian throne)
linked to: Alexei Nikolaevich, Tsarevich of Russia
subject linked to:
Nicholas II of Russia (son-in-law)