David of Trebizond
E502850
David of Trebizond was the last emperor of the Empire of Trebizond, whose reign ended with the Ottoman conquest in the mid-15th century.
All labels observed (1)
| Label | Occurrences |
|---|---|
| David of Trebizond canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T5001915 — 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: David of Trebizond Context triple: [Empire of Trebizond, notableRuler, David of Trebizond]
-
A.
John III of Trebizond
John III of Trebizond was a 14th-century emperor of the Empire of Trebizond whose reign was marked by internal dynastic struggles and the empire’s precarious position between powerful regional neighbors.
-
B.
John II of Trebizond
John II of Trebizond was a 13th-century Byzantine Greek emperor who ruled the Empire of Trebizond and is noted for consolidating its independence and regional influence along the Black Sea.
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C.
Manuel I of Trebizond
Manuel I of Trebizond was a 13th-century emperor of the Empire of Trebizond whose long and relatively stable reign marked a period of political consolidation and increased regional influence along the Black Sea.
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D.
Alexios I of Trebizond
Alexios I of Trebizond was the founder and first emperor of the Empire of Trebizond, establishing a Byzantine successor state on the Black Sea coast in the early 13th century.
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E.
Peter of Sebaste
Peter of Sebaste was a 4th-century Christian bishop and ascetic known for his role in the early monastic movement in Asia Minor and his close association with the Cappadocian Fathers.
- 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: David of Trebizond Target entity description: David of Trebizond was the last emperor of the Empire of Trebizond, whose reign ended with the Ottoman conquest in the mid-15th century.
-
A.
John III of Trebizond
John III of Trebizond was a 14th-century emperor of the Empire of Trebizond whose reign was marked by internal dynastic struggles and the empire’s precarious position between powerful regional neighbors.
-
B.
John II of Trebizond
John II of Trebizond was a 13th-century Byzantine Greek emperor who ruled the Empire of Trebizond and is noted for consolidating its independence and regional influence along the Black Sea.
-
C.
Manuel I of Trebizond
Manuel I of Trebizond was a 13th-century emperor of the Empire of Trebizond whose long and relatively stable reign marked a period of political consolidation and increased regional influence along the Black Sea.
-
D.
Alexios I of Trebizond
Alexios I of Trebizond was the founder and first emperor of the Empire of Trebizond, establishing a Byzantine successor state on the Black Sea coast in the early 13th century.
-
E.
Peter of Sebaste
Peter of Sebaste was a 4th-century Christian bishop and ascetic known for his role in the early monastic movement in Asia Minor and his close association with the Cappadocian Fathers.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Byzantine noble
ⓘ
emperor ⓘ human ⓘ |
| associatedWith |
Byzantine Empire
NERFINISHED
ⓘ
Empire of Trebizond court NERFINISHED ⓘ |
| birthPlace | Empire of Trebizond NERFINISHED ⓘ |
| capitalOfRealm | Trebizond NERFINISHED ⓘ |
| capturedBy | Ottoman Empire NERFINISHED ⓘ |
| causeOfDeath | beheading ⓘ |
| children |
Alexios of Trebizond (son of David)
NERFINISHED
ⓘ
Basilios of Trebizond NERFINISHED ⓘ George of Trebizond (son of David) NERFINISHED ⓘ Manuel of Trebizond (son of David) NERFINISHED ⓘ Unnamed daughters of David of Trebizond ⓘ |
| conflict | Ottoman–Trebizond conflict NERFINISHED ⓘ |
| countryRuled | Empire of Trebizond NERFINISHED ⓘ |
| deathDate | 1463 ⓘ |
| deathPlace |
Constantinople
NERFINISHED
ⓘ
Ottoman Empire NERFINISHED ⓘ |
| detainedIn | Constantinople NERFINISHED ⓘ |
| ethnicGroup | Greek ⓘ |
| father | Alexios IV of Trebizond NERFINISHED ⓘ |
| governedTerritory | Black Sea coastal regions around Trebizond ⓘ |
| historicalEra | Late Middle Ages NERFINISHED ⓘ |
| historicalRegion | Pontus NERFINISHED ⓘ |
| killedBy | Mehmed II NERFINISHED ⓘ |
| languageSpoken | Greek ⓘ |
| legacy | marked the end of the last Byzantine successor state ⓘ |
| mannerOfDeath | execution ⓘ |
| memberOfDynasty | Megas Komnenos dynasty NERFINISHED ⓘ |
| mother | Theodora Kantakouzene NERFINISHED ⓘ |
| name |
David Megas Komnenos
NERFINISHED
ⓘ
David of Trebizond NERFINISHED ⓘ |
| notableEvent | Ottoman conquest of Trebizond NERFINISHED ⓘ |
| notableFor | being the last emperor of Trebizond ⓘ |
| overthrownBy | Ottoman Empire NERFINISHED ⓘ |
| overthrownRuler | Mehmed II NERFINISHED ⓘ |
| positionHeld | Emperor of Trebizond ⓘ |
| predecessor | John IV of Trebizond NERFINISHED ⓘ |
| reignEnd | 1461 ⓘ |
| reignStart | 1459 ⓘ |
| religion |
Eastern Orthodox Christianity
ⓘ
surface form:
Eastern Orthodox Church
|
| sibling | John IV of Trebizond NERFINISHED ⓘ |
| spouse | Helena Kantakouzene NERFINISHED ⓘ |
| successor | Mehmed II NERFINISHED ⓘ |
| surrenderedCity | Trebizond NERFINISHED ⓘ |
| surrenderedTo | Mehmed II NERFINISHED ⓘ |
| surrenderedYear | 1461 ⓘ |
| title | Basileus and Autokrator of the Romans 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: David of Trebizond Description of subject: David of Trebizond was the last emperor of the Empire of Trebizond, whose reign ended with the Ottoman conquest in the mid-15th century.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.