Alexander Alexandrovich, Tsarevich of Russia
E935206
Alexander Alexandrovich, Tsarevich of Russia, was the heir apparent to the Russian imperial throne in the 19th century and the eldest son of Emperor Alexander II.
All labels observed (3)
How this entity was disambiguated
This entity first appeared as the object of triple T11414672 — 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: Alexander Alexandrovich, Tsarevich of Russia Context triple: [Tsarevich, hasNotableTitleHolder, Alexander Alexandrovich, Tsarevich of Russia]
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A.
Alexei Nikolaevich, Tsarevich of Russia
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.
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B.
Alexei Petrovich, Tsarevich of Russia
Alexei Petrovich, Tsarevich of Russia, was the ill-fated heir to the Russian throne whose conflict with his father Peter the Great led to his arrest, torture, and death in custody.
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C.
Nicholas Alexandrovich, Tsarevich of Russia
Nicholas Alexandrovich, Tsarevich of Russia, was the eldest son and heir apparent of Emperor Alexander II whose early death in 1865 altered the line of succession in the Russian imperial family.
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D.
Tsarevich Ivan Alexeyevich of Russia
Tsarevich Ivan Alexeyevich of Russia was the eldest son and heir apparent of Tsar Alexei Mikhailovich, whose early death paved the way for his half-brother Peter the Great’s eventual rise to the Russian throne.
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E.
Tsarevich Alexei Alexeyevich of Russia
Tsarevich Alexei Alexeyevich of Russia was the eldest son and heir apparent of Tsar Alexei Mikhailovich, whose early death in 1670 altered the line of succession in the Romanov dynasty.
- 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: Alexander Alexandrovich, Tsarevich of Russia Target entity description: Alexander Alexandrovich, Tsarevich of Russia, was the heir apparent to the Russian imperial throne in the 19th century and the eldest son of Emperor Alexander II.
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A.
Alexei Nikolaevich, Tsarevich of Russia
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.
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B.
Alexei Petrovich, Tsarevich of Russia
Alexei Petrovich, Tsarevich of Russia, was the ill-fated heir to the Russian throne whose conflict with his father Peter the Great led to his arrest, torture, and death in custody.
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C.
Nicholas Alexandrovich, Tsarevich of Russia
Nicholas Alexandrovich, Tsarevich of Russia, was the eldest son and heir apparent of Emperor Alexander II whose early death in 1865 altered the line of succession in the Russian imperial family.
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D.
Tsarevich Ivan Alexeyevich of Russia
Tsarevich Ivan Alexeyevich of Russia was the eldest son and heir apparent of Tsar Alexei Mikhailovich, whose early death paved the way for his half-brother Peter the Great’s eventual rise to the Russian throne.
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E.
Tsarevich Alexei Alexeyevich of Russia
Tsarevich Alexei Alexeyevich of Russia was the eldest son and heir apparent of Tsar Alexei Mikhailovich, whose early death in 1670 altered the line of succession in the Romanov dynasty.
- 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: Alexander Alexandrovich, Tsarevich of Russia Description of subject: Alexander Alexandrovich, Tsarevich of Russia, was the heir apparent to the Russian imperial throne in the 19th century and the eldest son of Emperor Alexander II.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Alexander Alexandrovich, Tsarevich of Russia
Empress Maria Feodorovna of Russia (daughter)
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child
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Grand Duke Alexander Alexandrovich of Russia (died in infancy)
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linked to: Alexander Alexandrovich, Tsarevich of Russia