Leo IV the Khazar
E407727
Leo IV the Khazar was a Byzantine emperor of the Isaurian dynasty who ruled in the late 8th century and continued the iconoclast policies of his predecessors.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Leo IV the Khazar canonical | 8 |
| reign of Leo IV the Khazar | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3602353 — 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 IV the Khazar Context triple: [Empress Irene of Athens, spouse, Leo IV the Khazar]
-
A.
Leo V the Armenian
Leo V the Armenian was a 9th-century Byzantine emperor best known for restoring and enforcing iconoclasm within the empire.
-
B.
Leo VI the Wise
Leo VI the Wise was a Byzantine emperor renowned for his extensive legal reforms, scholarly works, and efforts to strengthen and codify Byzantine law and administration.
-
C.
Emperor Constantine VI
Emperor Constantine VI was a Byzantine emperor of the Isaurian dynasty who ruled in the late 8th century, known for his troubled reign marked by regency under his mother Irene and eventual deposition and blinding.
-
D.
Emperor Phocas
Emperor Phocas was a Byzantine ruler (reigned 602–610) known for his violent usurpation of the throne, oppressive and chaotic rule, and eventual overthrow by Heraclius.
-
E.
Emperor Constans II
Emperor Constans II was a 7th-century Byzantine emperor known for his long and turbulent reign marked by religious controversies, military conflicts with the Arabs, and an unusual relocation of the imperial court to Syracuse in Sicily.
- 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 IV the Khazar Target entity description: Leo IV the Khazar was a Byzantine emperor of the Isaurian dynasty who ruled in the late 8th century and continued the iconoclast policies of his predecessors.
-
A.
Leo V the Armenian
Leo V the Armenian was a 9th-century Byzantine emperor best known for restoring and enforcing iconoclasm within the empire.
-
B.
Leo VI the Wise
Leo VI the Wise was a Byzantine emperor renowned for his extensive legal reforms, scholarly works, and efforts to strengthen and codify Byzantine law and administration.
-
C.
Emperor Constantine VI
Emperor Constantine VI was a Byzantine emperor of the Isaurian dynasty who ruled in the late 8th century, known for his troubled reign marked by regency under his mother Irene and eventual deposition and blinding.
-
D.
Emperor Phocas
Emperor Phocas was a Byzantine ruler (reigned 602–610) known for his violent usurpation of the throne, oppressive and chaotic rule, and eventual overthrow by Heraclius.
-
E.
Emperor Constans II
Emperor Constans II was a 7th-century Byzantine emperor known for his long and turbulent reign marked by religious controversies, military conflicts with the Arabs, and an unusual relocation of the imperial court to Syracuse in Sicily.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Byzantine emperor
ⓘ
Eastern Roman emperor ⓘ human ⓘ |
| associatedWith | Isaurian iconoclast emperors ⓘ |
| birthDate | c. 750 ⓘ |
| birthPlace |
Constantinople (probable)
ⓘ
surface form:
Constantinople
|
| burialPlace | Church of the Holy Apostles ⓘ |
| capitalDuringReign |
Constantinople (probable)
ⓘ
surface form:
Constantinople
|
| child | Constantine VI ONNED1 ⓘ |
| chronologicalPlacement | 8th-century Byzantine emperor ⓘ |
| coEmperorFrom | 6 June 751 ⓘ |
| conflict | Arab–Byzantine wars ⓘ |
| coRulerWith |
Constantine V
NERFINISHED
ⓘ
Constantine VI NERFINISHED ⓘ |
| country | Byzantine Empire ⓘ |
| deathDate | 8 September 780 ⓘ |
| deathPlace |
Constantinople (probable)
ⓘ
surface form:
Constantinople
|
| dynasty | Isaurian dynasty ⓘ |
| era | Middle Byzantine period ⓘ |
| ethnicOrigin | partly Khazar ⓘ |
| father | Constantine V ⓘ |
| givenName | Leo ⓘ |
| house | Isaurian dynasty ⓘ |
| knownFor |
appointing his wife Irene as regent for Constantine VI
ⓘ
moderating persecution of iconophiles compared to his father ⓘ |
| language | Greek ⓘ |
| memberOf | Isaurian dynasty ⓘ |
| militaryCampaign | campaigns against the Abbasid Caliphate ⓘ |
| mother | Tzitzak ⓘ |
| motherOrigin | Khazar nobility ⓘ |
| nickname |
Khazar Khaganate
ⓘ
surface form:
the Khazar
|
| notableFor | continuation of Byzantine Iconoclasm ⓘ |
| policy | iconoclasm ⓘ |
| positionHeld |
Emperor of the Romans
ⓘ
co-emperor of the Byzantine Empire ⓘ |
| predecessor | Constantine V NERFINISHED ⓘ |
| regnalName | Leo IV NERFINISHED ⓘ |
| reignEnd | 8 September 780 ⓘ |
| reignStart | 24 September 775 ⓘ |
| religion |
Byzantine Christianity
ⓘ
Chalcedonian Christianity ⓘ |
| shortReign | true ⓘ |
| spouse | Irene of Athens ⓘ |
| style |
Emperor of the Romans
ⓘ
surface form:
Autokrator of the Romans
|
| successor | Constantine VI NERFINISHED ⓘ |
| successorAsRegent | Irene of Athens ⓘ |
| title |
Emperor of the Romans
ⓘ
surface form:
Basileus 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.
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 IV the Khazar Description of subject: Leo IV the Khazar was a Byzantine emperor of the Isaurian dynasty who ruled in the late 8th century and continued the iconoclast policies of his predecessors.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Constantine VI
subject surface form:
Constantine VI
subject surface form:
Regency of Irene of Athens
this entity surface form:
reign of Leo IV the Khazar