Ivan IV the Terrible

E77171

Tsar of Russia human monarch

Ivan IV the Terrible was the 16th-century tsar of Russia known for centralizing royal power, expanding Russian territory, and ruling with extreme brutality and repression.

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All labels observed (12)

Label	Occurrences
Ivan IV of Russia	92
Ivan the Terrible	49
Ivan IV Vasilyevich	6
Ivan IV the Terrible canonical	5
Tsar Ivan IV of Russia	3
Ivan IV	2
Tsar Ivan the Terrible	2
Ivan IV (as Grand Prince of Moscow)	1
Ivan IV Vasilyevich, Tsar of Russia	1
Tsar Ivan IV in person	1
reign of Ivan the Terrible	1
Иван IV Грозный	1

How this entity was disambiguated

This entity first appeared as the object of triple T552582 — 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: Ivan IV the Terrible
Context triple: [Rurik dynasty, notableMember, Ivan IV the Terrible]

A. Vasili III of Russia
Vasili III of Russia was the Grand Prince of Moscow from 1505 to 1533, known for completing the unification of Russian lands and strengthening centralized Muscovite power.
B. Ivan III of Russia
Ivan III of Russia, also known as Ivan the Great, was the Grand Prince of Moscow who tripled the territory of his state, ended Mongol dominance, and laid the foundations of a centralized Russian state.
C. Ivan I of Moscow
Ivan I of Moscow, also known as Ivan Kalita, was a 14th-century Grand Prince of Moscow who significantly expanded Muscovite power and laid foundations for the centralized Russian state.
D. Vasili IV Shuisky
Vasili IV Shuisky was a Russian boyar who briefly ruled as Tsar of Russia from 1606 to 1610 during the chaotic Time of Troubles, marked by political instability and foreign intervention.
E. Feodor III of Russia
Feodor III of Russia was a late 17th-century Tsar of Russia from the Romanov dynasty whose short, illness-plagued reign preceded the transformative rule of Peter the Great.
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: Ivan IV the Terrible
Target entity description: Ivan IV the Terrible was the 16th-century tsar of Russia known for centralizing royal power, expanding Russian territory, and ruling with extreme brutality and repression.

A. Vasili III of Russia
Vasili III of Russia was the Grand Prince of Moscow from 1505 to 1533, known for completing the unification of Russian lands and strengthening centralized Muscovite power.
B. Ivan III of Russia
Ivan III of Russia, also known as Ivan the Great, was the Grand Prince of Moscow who tripled the territory of his state, ended Mongol dominance, and laid the foundations of a centralized Russian state.
C. Ivan I of Moscow
Ivan I of Moscow, also known as Ivan Kalita, was a 14th-century Grand Prince of Moscow who significantly expanded Muscovite power and laid foundations for the centralized Russian state.
D. Vasili IV Shuisky
Vasili IV Shuisky was a Russian boyar who briefly ruled as Tsar of Russia from 1606 to 1610 during the chaotic Time of Troubles, marked by political instability and foreign intervention.
E. Feodor III of Russia
Feodor III of Russia was a late 17th-century Tsar of Russia from the Romanov dynasty whose short, illness-plagued reign preceded the transformative rule of Peter the Great.
F. None of above. chosen

Statements (56)

Predicate	Object
instanceOf	Tsar of Russia ⓘ human ⓘ monarch ⓘ
birthDate	1530-08-25 ⓘ
birthPlace	Grand Duchy of Moscow ⓘ Kolomenskoye ⓘ linked to: Kolomenskaya
burialPlace	Cathedral of the Archangel, Moscow Kremlin ⓘ linked to: Archangel Cathedral, Moscow Kremlin
child	Dmitry Ivanovich (son of Ivan IV and Maria Nagaya) ⓘ Feodor I of Russia ⓘ Ivan Ivanovich ⓘ Tsarevich Dmitry Ivanovich (son of Ivan IV and Anastasia) ⓘ linked to: Dmitry Ivanovich (son of Ivan IV and Maria Nagaya)
coronationDate	1547-01-16 ⓘ
coronationPlace	Dormition Cathedral, Moscow Kremlin ⓘ linked to: Dormition Cathedral
countryOfCitizenship	Tsardom of Russia ⓘ
deathDate	1584-03-28 ⓘ
deathPlace	Moscow ⓘ Tsardom of Russia ⓘ
endTime	reign as Grand Prince of Moscow: 1547 ⓘ reign as Tsar of All Rus': 1584 ⓘ
era	16th century ⓘ
father	Vasili III of Moscow ⓘ linked to: Vasili III of Russia
fullName	Ivan IV Vasilyevich ⓘ linked to: Ivan IV the Terrible
givenName	Ivan ⓘ
house	Rurikids ⓘ linked to: Rurik dynasty
implementedPolicy	oprichnina ⓘ
knownFor	centralizing royal power in Russia ⓘ conquest of Astrakhan Khanate ⓘ conquest of Kazan Khanate ⓘ creation of the oprichnina ⓘ early use of a standing army (streltsy) ⓘ establishing the Tsardom of Russia ⓘ extreme brutality and repression ⓘ massacre of Novgorod ⓘ linked to: Oprichnina territorial expansion of the Russian state ⓘ
languageSpoken	Russian ⓘ
mother	Elena Glinskaya ⓘ
nickname	Ivan the Terrible ⓘ linked to: Ivan IV the Terrible
nobleFamily	Rurik dynasty ⓘ
notableEvent	Livonian War ⓘ
patronymicName	Vasilyevich ⓘ
positionHeld	Grand Prince of Moscow ⓘ Tsar of All Rus' ⓘ linked to: Tsar of Russia
predecessor	Vasili III of Moscow ⓘ linked to: Vasili III of Russia
religion	Eastern Orthodox Church ⓘ linked to: Eastern Orthodox Christianity
spouse	Anastasia Romanovna ⓘ Anna Koltovskaya ⓘ Anna Vasilchikova ⓘ Marfa Sobakina ⓘ Maria Nagaya ⓘ Maria Temryukovna ⓘ Vasilisa Melentyeva ⓘ
startTime	reign as Grand Prince of Moscow: 1533 ⓘ reign as Tsar of All Rus': 1547 ⓘ
successor	Feodor I of Russia ⓘ
title	Grand Prince of Moscow ⓘ Tsar of All Rus' ⓘ linked to: Tsar of Russia

How these facts were elicited