Ivan Asen IV of Bulgaria
E1071809
UNEXPLORED
Ivan Asen IV of Bulgaria was a 14th-century Bulgarian prince of the Second Bulgarian Empire, known primarily as a son of Tsar Ivan Alexander who died fighting the Ottoman Turks.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ivan Asen IV of Bulgaria canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12415642 — 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 Asen IV of Bulgaria Context triple: [Ivan Sratsimir, sibling, Ivan Asen IV of Bulgaria]
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A.
Michael II Asen of Bulgaria
Michael II Asen of Bulgaria was a 13th-century tsar of the Second Bulgarian Empire from the Asen dynasty, known for his troubled reign marked by internal strife and foreign intervention.
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B.
Ivan Asen II
Ivan Asen II was a prominent 13th-century Bulgarian tsar who presided over the political, economic, and cultural zenith of the Second Bulgarian Empire.
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C.
Shishman of Vidin
Shishman of Vidin was a medieval Bulgarian noble and ruler whose legacy gave his name to the Shishman dynasty, one of the last ruling houses of the Second Bulgarian Empire.
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D.
Bulgarian Tsar Constantine Tikh Asen
Bulgarian Tsar Constantine Tikh Asen was a 13th-century ruler of the Second Bulgarian Empire, known for his turbulent reign marked by internal strife and conflicts with neighboring powers.
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E.
Kaloyan of Bulgaria
Kaloyan of Bulgaria was a powerful tsar of the Second Bulgarian Empire (r. 1197–1207) known for defeating the Crusaders at the Battle of Adrianople and expanding Bulgarian influence in the Balkans.
- 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 Asen IV of Bulgaria Target entity description: Ivan Asen IV of Bulgaria was a 14th-century Bulgarian prince of the Second Bulgarian Empire, known primarily as a son of Tsar Ivan Alexander who died fighting the Ottoman Turks.
-
A.
Michael II Asen of Bulgaria
Michael II Asen of Bulgaria was a 13th-century tsar of the Second Bulgarian Empire from the Asen dynasty, known for his troubled reign marked by internal strife and foreign intervention.
-
B.
Ivan Asen II
Ivan Asen II was a prominent 13th-century Bulgarian tsar who presided over the political, economic, and cultural zenith of the Second Bulgarian Empire.
-
C.
Shishman of Vidin
Shishman of Vidin was a medieval Bulgarian noble and ruler whose legacy gave his name to the Shishman dynasty, one of the last ruling houses of the Second Bulgarian Empire.
-
D.
Bulgarian Tsar Constantine Tikh Asen
Bulgarian Tsar Constantine Tikh Asen was a 13th-century ruler of the Second Bulgarian Empire, known for his turbulent reign marked by internal strife and conflicts with neighboring powers.
-
E.
Kaloyan of Bulgaria
Kaloyan of Bulgaria was a powerful tsar of the Second Bulgarian Empire (r. 1197–1207) known for defeating the Crusaders at the Battle of Adrianople and expanding Bulgarian influence in the Balkans.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.