Alexios I Megas Komnenos
E485953
Alexios I Megas Komnenos was the first ruler of the Empire of Trebizond, a Byzantine Greek emperor who established a successor state to the Byzantine Empire on the Black Sea coast in the early 13th century.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Alexios I Megas Komnenos canonical | 1 |
| David Komnenos | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5001893 — 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: Alexios I Megas Komnenos Context triple: [Empire of Trebizond, foundedBy, Alexios I Megas Komnenos]
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A.
Alexios I Komnenos
Alexios I Komnenos was a Byzantine emperor (r. 1081–1118) known for stabilizing the empire after a period of crisis, initiating the Komnenian restoration, and appealing to the West in ways that helped spark the First Crusade.
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B.
Manuel I Komnenos
Manuel I Komnenos was a 12th-century Byzantine emperor of the Komnenian dynasty known for his ambitious military campaigns, active diplomacy with Western Europe and the Crusader states, and efforts to restore imperial power in the Eastern Mediterranean.
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C.
John II Komnenos
John II Komnenos was a 12th-century Byzantine emperor known for his effective military campaigns, administrative reforms, and efforts to restore the strength and territory of the Byzantine Empire.
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D.
Andronikos I Komnenos
Andronikos I Komnenos was a 12th-century Byzantine emperor known for his turbulent reign marked by harsh reforms, internal unrest, and his eventual violent overthrow.
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E.
Byzantine Emperor Alexios III Angelos
Byzantine Emperor Alexios III Angelos was a late 12th- to early 13th-century ruler of the Byzantine Empire whose weak leadership and mismanagement contributed to the empire’s decline and the events leading up to the Fourth Crusade.
- 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: Alexios I Megas Komnenos Target entity description: Alexios I Megas Komnenos was the first ruler of the Empire of Trebizond, a Byzantine Greek emperor who established a successor state to the Byzantine Empire on the Black Sea coast in the early 13th century.
-
A.
Alexios I Komnenos
Alexios I Komnenos was a Byzantine emperor (r. 1081–1118) known for stabilizing the empire after a period of crisis, initiating the Komnenian restoration, and appealing to the West in ways that helped spark the First Crusade.
-
B.
Manuel I Komnenos
Manuel I Komnenos was a 12th-century Byzantine emperor of the Komnenian dynasty known for his ambitious military campaigns, active diplomacy with Western Europe and the Crusader states, and efforts to restore imperial power in the Eastern Mediterranean.
-
C.
John II Komnenos
John II Komnenos was a 12th-century Byzantine emperor known for his effective military campaigns, administrative reforms, and efforts to restore the strength and territory of the Byzantine Empire.
-
D.
Andronikos I Komnenos
Andronikos I Komnenos was a 12th-century Byzantine emperor known for his turbulent reign marked by harsh reforms, internal unrest, and his eventual violent overthrow.
-
E.
Byzantine Emperor Alexios III Angelos
Byzantine Emperor Alexios III Angelos was a late 12th- to early 13th-century ruler of the Byzantine Empire whose weak leadership and mismanagement contributed to the empire’s decline and the events leading up to the Fourth Crusade.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Byzantine Greek noble
ⓘ
emperor of Trebizond ⓘ medieval monarch ⓘ |
| alliance | Kingdom of Georgia NERFINISHED ⓘ |
| birthPlace | Byzantine Empire NERFINISHED ⓘ |
| capitalOfRealm | Trebizond NERFINISHED ⓘ |
| claimedTitle | Roman Emperor ⓘ |
| conflict |
rivalry with the Empire of Nicaea
ⓘ
rivalry with the Latin Empire ⓘ wars with the Seljuk Turks ⓘ |
| countryRuled | Empire of Trebizond NERFINISHED ⓘ |
| culture | Byzantine ⓘ |
| deathDate | 1222 ⓘ |
| deathPlace | Empire of Trebizond NERFINISHED ⓘ |
| dynasty |
Komnenos dynasty
NERFINISHED
ⓘ
Megas Komnenos dynasty NERFINISHED ⓘ |
| era | High Middle Ages ⓘ |
| ethnicGroup | Greek ⓘ |
| familyName | Komnenos NERFINISHED ⓘ |
| father | Manuel Komnenos NERFINISHED ⓘ |
| founded | Empire of Trebizond NERFINISHED ⓘ |
| givenName | Alexios NERFINISHED ⓘ |
| governmentForm | hereditary monarchy ⓘ |
| house |
House of Komnenos
NERFINISHED
ⓘ
House of Megas Komnenos NERFINISHED ⓘ |
| languageSpoken | Greek ⓘ |
| mother | Rusudan of Georgia NERFINISHED ⓘ |
| nobleTitle | Megas Komnenos NERFINISHED ⓘ |
| notableEvent |
Fourth Crusade context
NERFINISHED
ⓘ
establishment of a Byzantine successor state on the Black Sea coast ⓘ |
| notableFor | founding an independent Byzantine Greek empire after 1204 ⓘ |
| offspring | Andronikos I of Trebizond NERFINISHED ⓘ |
| positionHeld |
Basileus and Autokrator of the Romans
NERFINISHED
ⓘ
Emperor of Trebizond ⓘ |
| predecessor | office created ⓘ |
| regionRuled | Black Sea coast of Anatolia ⓘ |
| reignEnd | 1222 ⓘ |
| reignStart | 1204 ⓘ |
| relative |
Alexios II Komnenos
NERFINISHED
ⓘ
Andronikos I Komnenos NERFINISHED ⓘ |
| religion | Eastern Orthodox Christianity ⓘ |
| ruledFrom | Trebizond NERFINISHED ⓘ |
| spouse | Theodora Axouchina (disputed) NERFINISHED ⓘ |
| successor | Andronikos I Gidos NERFINISHED ⓘ |
| successorStateOf | Byzantine Empire NERFINISHED ⓘ |
| titleStyle | Emperor and Autocrat of the Romans NERFINISHED ⓘ |
| usedImperialRegalia | Byzantine imperial regalia NERFINISHED ⓘ |
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: Alexios I Megas Komnenos Description of subject: Alexios I Megas Komnenos was the first ruler of the Empire of Trebizond, a Byzantine Greek emperor who established a successor state to the Byzantine Empire on the Black Sea coast in the early 13th century.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
David Komnenos