Byzantine Emperor Alexios III Angelos
E241193
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.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Alexios III Angelos | 1 |
| Byzantine Emperor Alexios III Angelos canonical | 1 |
| Emperor Alexios V Doukas | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1744154 — 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.
Target entity: Byzantine Emperor Alexios III Angelos Context triple: [Hilandar Monastery, foundedBy, Byzantine Emperor Alexios III Angelos]
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A.
Dimitrios I of Constantinople
Dimitrios I of Constantinople was the Ecumenical Patriarch of Constantinople who led the Eastern Orthodox Church during the mid-20th century, noted for his efforts in ecumenical dialogue and church renewal.
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B.
Manuel Kantakouzenos
Manuel Kantakouzenos was a 14th-century Byzantine prince and military leader who became the first ruler of the Despotate of the Morea in the Peloponnese.
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C.
Theodore I Palaiologos
Theodore I Palaiologos was a late 14th- to early 15th-century Byzantine prince of the Palaiologos dynasty who became the inaugural ruler of the semi-autonomous Despotate of the Morea in the Peloponnese.
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D.
Baldwin II of Constantinople
Baldwin II of Constantinople was the last Latin emperor of Constantinople, whose troubled reign was marked by financial hardship, territorial losses, and the eventual fall of the Latin Empire in 1261.
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E.
Constantine Palaiologos
Constantine Palaiologos was the last Byzantine emperor, remembered for his defense and death during the fall of Constantinople in 1453.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: Byzantine Emperor Alexios III Angelos Target entity description: 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.
-
A.
Dimitrios I of Constantinople
Dimitrios I of Constantinople was the Ecumenical Patriarch of Constantinople who led the Eastern Orthodox Church during the mid-20th century, noted for his efforts in ecumenical dialogue and church renewal.
-
B.
Manuel Kantakouzenos
Manuel Kantakouzenos was a 14th-century Byzantine prince and military leader who became the first ruler of the Despotate of the Morea in the Peloponnese.
-
C.
Theodore I Palaiologos
Theodore I Palaiologos was a late 14th- to early 15th-century Byzantine prince of the Palaiologos dynasty who became the inaugural ruler of the semi-autonomous Despotate of the Morea in the Peloponnese.
-
D.
Baldwin II of Constantinople
Baldwin II of Constantinople was the last Latin emperor of Constantinople, whose troubled reign was marked by financial hardship, territorial losses, and the eventual fall of the Latin Empire in 1261.
-
E.
Constantine Palaiologos
Constantine Palaiologos was the last Byzantine emperor, remembered for his defense and death during the fall of Constantinople in 1453.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Byzantine emperor
ⓘ
human ⓘ |
| birthPlace | Byzantine Empire ⓘ |
| capitalDuringReign |
Constantinople (probable)
ⓘ
surface form:
Constantinople
|
| capturedBy | Boniface I of Montferrat ⓘ |
| causeOf |
fiscal mismanagement and heavy taxation in the Byzantine Empire
ⓘ
military decline of the Byzantine Empire in the late 12th century ⓘ political instability in Constantinople ⓘ |
| conflict |
Byzantine–Bulgarian wars
ⓘ
surface form:
Bulgarian–Byzantine conflicts
Fourth Crusade ⓘ |
| country | Byzantine Empire ⓘ |
| deathApproximateYear | 1211 ⓘ |
| deathPlace | Nicaea ⓘ |
| era |
early 13th century
ⓘ
late 12th century ⓘ |
| event |
coup against Isaac II Angelos in 1195
ⓘ
flight from Constantinople during the Fourth Crusade ⓘ |
| father |
Andronikos Doukas
ⓘ
surface form:
Andronikos Doukas Angelos
|
| fledTo |
Asia Minor
ⓘ
Thrace ⓘ |
| historicalAssessment | considered one of the most ineffectual Byzantine emperors ⓘ |
| imprisonedBy | Theodore I Laskaris ⓘ |
| lostTerritory |
parts of the Balkans
ⓘ
territories in Asia Minor ⓘ |
| memberOfDynasty | Angelid dynasty ⓘ |
| mother | Euphrosyne Kastamonitissa ⓘ |
| notableEventDuringReign |
Sack of Constantinople in 1204
ⓘ
surface form:
approach and siege of Constantinople by the Fourth Crusade
increasing Venetian influence in Byzantine affairs ⓘ |
| notableFor |
contributing to the conditions leading to the Fourth Crusade
ⓘ
overthrowing his brother Isaac II Angelos in a coup ⓘ weak leadership and mismanagement of the Byzantine Empire ⓘ |
| policy |
debasement of the Byzantine currency
ⓘ
sale of offices and corruption in administration ⓘ |
| positionHeld | Emperor of the Romans ⓘ |
| predecessor | Isaac II Angelos ⓘ |
| reignEnd | 1203 ⓘ |
| reignStart | 1195 ⓘ |
| relative |
Alexios IV Angelos
ⓘ
Theodore I Laskaris ⓘ |
| religion |
Eastern Orthodox Christianity
ⓘ
surface form:
Eastern Orthodox Church
|
| residence |
Constantinople (probable)
ⓘ
surface form:
Constantinople
|
| sibling | Isaac II Angelos ⓘ |
| spouse |
Euphrosyne Kastamonitissa
ⓘ
surface form:
Euphrosyne Doukaina Kamatera
|
| successor |
Alexios IV Angelos
ⓘ
Isaac II Angelos ⓘ |
| title |
Emperor of the Romans
ⓘ
surface form:
Autokrator of the Romans
Basileus ⓘ
surface form:
Basileus ton Rhomaion
|
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.
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.
Subject: Byzantine Emperor Alexios III Angelos Description of subject: 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.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.