Leo II
E196381
Leo II was a short-reigning Eastern Roman (Byzantine) emperor in the late 5th century, notable for being the grandson and brief successor of Emperor Leo I.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Leo II canonical | 28 |
How this entity was disambiguated
This entity first appeared as the object of triple T1703242 — 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: Leo II Context triple: [Zeno, stepSon, Leo II]
-
A.
Leo I
Leo I was a 5th-century Eastern Roman emperor (reigned 457–474 AD) known for strengthening imperial independence from Germanic military influence and for commissioning the massive expedition against the Vandals.
-
B.
Emperor Marcian
Emperor Marcian was a 5th-century Byzantine ruler known for stabilizing the Eastern Roman Empire and shaping Christian doctrine through his support of the Council of Chalcedon.
-
C.
Olybrius
Olybrius was a short-lived 5th-century Western Roman emperor whose brief reign in 472 occurred during the empire’s final period of political fragmentation and decline.
-
D.
Bonifacius
Bonifacius is the given name of Bonifacius Cornelis de Jonge, a Dutch politician who served as Governor-General of the Dutch East Indies in the early 20th century.
-
E.
Constantius III
Constantius III was a short-reigning Western Roman emperor and powerful general in the early 5th century, known for his role in stabilizing the empire during a period of crisis.
- 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: Leo II Target entity description: Leo II was a short-reigning Eastern Roman (Byzantine) emperor in the late 5th century, notable for being the grandson and brief successor of Emperor Leo I.
-
A.
Leo I
Leo I was a 5th-century Eastern Roman emperor (reigned 457–474 AD) known for strengthening imperial independence from Germanic military influence and for commissioning the massive expedition against the Vandals.
-
B.
Emperor Marcian
Emperor Marcian was a 5th-century Byzantine ruler known for stabilizing the Eastern Roman Empire and shaping Christian doctrine through his support of the Council of Chalcedon.
-
C.
Olybrius
Olybrius was a short-lived 5th-century Western Roman emperor whose brief reign in 472 occurred during the empire’s final period of political fragmentation and decline.
-
D.
Bonifacius
Bonifacius is the given name of Bonifacius Cornelis de Jonge, a Dutch politician who served as Governor-General of the Dutch East Indies in the early 20th century.
-
E.
Constantius III
Constantius III was a short-reigning Western Roman emperor and powerful general in the early 5th century, known for his role in stabilizing the empire during a period of crisis.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
Byzantine emperor
ⓘ
Eastern Roman emperor ⓘ child monarch ⓘ historical figure ⓘ |
| ageAtDeath | about 7 years ⓘ |
| appointedCoEmperorBy | Leo I ⓘ |
| associatedWith |
Byzantine Empire
ⓘ
Leo I ⓘ Zeno ⓘ |
| birthDate | 467 ⓘ |
| capitalDuringReign |
Constantinople
ⓘ
linked to:
Constantinople (probable)
|
| chronology | 5th-century Byzantine emperor ⓘ |
| coronationDate | 474 ⓘ |
| coRulerWith | Zeno ⓘ |
| country |
Eastern Roman Empire
ⓘ
linked to:
Byzantine Empire
|
| deathCause | illness ⓘ |
| deathDate | 474 ⓘ |
| dynasty | Leonid dynasty ⓘ |
| era | Late Antiquity ⓘ |
| ethnicGroup | Isaurian ⓘ |
| father | Zeno ⓘ |
| givenName | Leo ⓘ |
| grandfather | Leo I ⓘ |
| grandmother | Verina ⓘ |
| languageUsed | Greek ⓘ |
| monarchType | Roman emperor ⓘ |
| mother | Ariadne ⓘ |
| notableFor |
being the grandson and successor of Emperor Leo I
ⓘ
having a very short reign as Eastern Roman emperor ⓘ |
| placeOfBirth |
Constantinople
ⓘ
linked to:
Constantinople (probable)
|
| placeOfDeath |
Constantinople
ⓘ
linked to:
Constantinople (probable)
|
| positionHeld |
Byzantine emperor
ⓘ
Emperor of the Eastern Roman Empire ⓘ
linked to:
Byzantine emperors
|
| predecessor | Leo I ⓘ |
| regnalName | Leo ⓘ |
| reignEnd | 474 ⓘ |
| reignStart | 474 ⓘ |
| religion | Christianity ⓘ |
| residence |
Constantinople
ⓘ
linked to:
Constantinople (probable)
|
| sexOrGender | male ⓘ |
| shortDescription | short-reigning Eastern Roman emperor in the late 5th century ⓘ |
| successor | Zeno ⓘ |
| title |
Augustus
ⓘ
Basileus ⓘ |
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: Leo II Description of subject: Leo II was a short-reigning Eastern Roman (Byzantine) emperor in the late 5th century, notable for being the grandson and brief successor of Emperor Leo I.
Referenced by (28)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Eastern Roman emperor Zeno
subject linked to:
Eastern Roman emperor Zeno
subject linked to:
Eastern Roman emperor Zeno