Alexander Ulyanov
E107651
Alexander Ulyanov was a Russian revolutionary and older brother of Vladimir Lenin, best known for his involvement in a failed plot to assassinate Tsar Alexander III, for which he was executed in 1887.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Alexander Ulyanov canonical | 5 |
| Aleksandr Ulyanov | 2 |
| Alexander Ilyich Ulyanov | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T604456 — 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 Ulyanov Context triple: [Vladimir Lenin, sibling, Alexander Ulyanov]
-
A.
Vladimir Lenin
Vladimir Lenin was a Russian revolutionary leader, Marxist theorist, and the founding head of the Soviet state who played a central role in the 1917 Bolshevik Revolution.
-
B.
Leon Trotsky
Leon Trotsky was a Marxist revolutionary, key leader of the Russian Revolution, founder of the Red Army, and later a principal critic and exile of Stalinist rule.
-
C.
Yakov Sverdlov
Yakov Sverdlov was a prominent Bolshevik revolutionary and early Soviet statesman who served as the first head of state of Soviet Russia following the October Revolution.
-
D.
Sergei Kamenev
Sergei Kamenev was a prominent Soviet military commander who served as Commander-in-Chief of the Red Army during the Russian Civil War.
-
E.
Vasily Stalin
Vasily Stalin was a Soviet Air Force officer and the son of Soviet leader Joseph Stalin, known for his privileged yet troubled life within the Soviet elite.
- 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 Ulyanov Target entity description: Alexander Ulyanov was a Russian revolutionary and older brother of Vladimir Lenin, best known for his involvement in a failed plot to assassinate Tsar Alexander III, for which he was executed in 1887.
-
A.
Vladimir Lenin
Vladimir Lenin was a Russian revolutionary leader, Marxist theorist, and the founding head of the Soviet state who played a central role in the 1917 Bolshevik Revolution.
-
B.
Leon Trotsky
Leon Trotsky was a Marxist revolutionary, key leader of the Russian Revolution, founder of the Red Army, and later a principal critic and exile of Stalinist rule.
-
C.
Yakov Sverdlov
Yakov Sverdlov was a prominent Bolshevik revolutionary and early Soviet statesman who served as the first head of state of Soviet Russia following the October Revolution.
-
D.
Sergei Kamenev
Sergei Kamenev was a prominent Soviet military commander who served as Commander-in-Chief of the Red Army during the Russian Civil War.
-
E.
Vasily Stalin
Vasily Stalin was a Soviet Air Force officer and the son of Soviet leader Joseph Stalin, known for his privileged yet troubled life within the Soviet elite.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Russian revolutionary
ⓘ
human ⓘ political activist ⓘ |
| burialPlace |
Saint Petersburg
ⓘ
linked to:
St. Petersburg
|
| causeOfDeath | capital punishment ⓘ |
| convictedOf |
attempted regicide
ⓘ
terrorism against the state ⓘ |
| countryOfCitizenship | Russian Empire ⓘ |
| dateOfBirth | 1866-04-12 ⓘ |
| dateOfDeath | 1887-05-20 ⓘ |
| educatedAt |
Saint Petersburg University
ⓘ
linked to:
Leningrad State University
|
| ethnicGroup | Russian ⓘ |
| familyName | Ulyanov ⓘ |
| father | Ilya Ulyanov ⓘ |
| fieldOfStudy | natural sciences ⓘ |
| fullName |
Alexander Ilyich Ulyanov
ⓘ
linked to:
Alexander Ulyanov
|
| givenName | Alexander ⓘ |
| hasRole | conspirator in assassination plot against Alexander III ⓘ |
| historicalPeriod | late Russian Empire ⓘ |
| ideology | revolutionary populism ⓘ |
| influenced | Vladimir Lenin ⓘ |
| knownFor | participation in a plot to assassinate Tsar Alexander III ⓘ |
| languageSpoken | Russian ⓘ |
| mannerOfDeath | execution by hanging ⓘ |
| memberOf | terrorist faction of Narodnaya Volya ⓘ |
| mother |
Maria Alexandrovna Ulyanova
ⓘ
linked to:
Maria Ulyanova
|
| movement | revolutionary movement in the Russian Empire ⓘ |
| nativeLanguage | Russian ⓘ |
| notableEvent |
arrest in 1887 for involvement in plot against Alexander III
ⓘ
trial and sentencing in 1887 ⓘ |
| notableFor | being the elder brother of Vladimir Lenin ⓘ |
| occupation |
revolutionary
ⓘ
student ⓘ |
| participantIn | assassination plot against Alexander III ⓘ |
| patronymicName | Ilyich ⓘ |
| penalty | death sentence ⓘ |
| placeOfBirth |
Nizhny Novgorod
ⓘ
Nizhny Novgorod Governorate ⓘ Russian Empire ⓘ |
| placeOfDeath |
Russian Empire
ⓘ
Saint Petersburg ⓘ
linked to:
St. Petersburg
|
| religion |
Russian Orthodoxy
ⓘ
linked to:
Russian Orthodox Church
|
| sexOrGender | male ⓘ |
| sibling |
Anna Ulyanova
ⓘ
Dmitry Ulyanov ⓘ Maria Ulyanova ⓘ Nikolai Ulyanov ⓘ Olga Ulyanova ⓘ Vladimir Lenin ⓘ |
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 Ulyanov Description of subject: Alexander Ulyanov was a Russian revolutionary and older brother of Vladimir Lenin, best known for his involvement in a failed plot to assassinate Tsar Alexander III, for which he was executed in 1887.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Alexander Ulyanov
linked to: Alexander Ulyanov
linked to: Alexander Ulyanov