Nikephoros I of Constantinople

E445774

Byzantine historian Byzantine theologian Christian bishop Ecumenical Patriarch of Constantinople saint

Nikephoros I of Constantinople was an influential early 9th-century Ecumenical Patriarch known for his strong defense of icon veneration during the second phase of Byzantine Iconoclasm.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (2)

Label	Occurrences
Nikephoros I of Constantinople canonical	2
Patriarch Nikephoros I of Constantinople	2

How this entity was disambiguated

This entity first appeared as the object of triple T3617776 — 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: Nikephoros I of Constantinople
Context triple: [Tarasios of Constantinople, succeededBy, Nikephoros I of Constantinople]

A. Nikephoros I
Nikephoros I was a Byzantine emperor who ruled from 802 to 811, noted for his financial and administrative reforms and his death in battle against the Bulgars.
B. Nikephoros II Phokas
Nikephoros II Phokas was a 10th-century Byzantine emperor and renowned general celebrated for his military campaigns that significantly expanded and defended the Byzantine Empire.
C. Constantine V
Constantine V was an 8th-century Byzantine emperor known for his strong iconoclast policies, military campaigns against the Bulgars and Arabs, and significant administrative and fiscal reforms.
D. Paul IV of Constantinople
Paul IV of Constantinople was an 8th-century Ecumenical Patriarch of Constantinople known for his role in the period leading up to the end of Byzantine iconoclasm.
E. 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.
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: Nikephoros I of Constantinople
Target entity description: Nikephoros I of Constantinople was an influential early 9th-century Ecumenical Patriarch known for his strong defense of icon veneration during the second phase of Byzantine Iconoclasm.

A. Nikephoros I
Nikephoros I was a Byzantine emperor who ruled from 802 to 811, noted for his financial and administrative reforms and his death in battle against the Bulgars.
B. Nikephoros II Phokas
Nikephoros II Phokas was a 10th-century Byzantine emperor and renowned general celebrated for his military campaigns that significantly expanded and defended the Byzantine Empire.
C. Constantine V
Constantine V was an 8th-century Byzantine emperor known for his strong iconoclast policies, military campaigns against the Bulgars and Arabs, and significant administrative and fiscal reforms.
D. Paul IV of Constantinople
Paul IV of Constantinople was an 8th-century Ecumenical Patriarch of Constantinople known for his role in the period leading up to the end of Byzantine iconoclasm.
E. 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.
F. None of above. chosen

Statements (48)

Predicate	Object
instanceOf	Byzantine historian ⓘ Byzantine theologian ⓘ Christian bishop ⓘ Ecumenical Patriarch of Constantinople ⓘ saint ⓘ
appointedAsPatriarch	806 ⓘ
birthDate	c. 758 ⓘ
birthName	Nikephoros NERFINISHED ⓘ
canonizationStatus	recognized as a confessor of the faith ⓘ
conflictWith	Byzantine iconoclast bishops ⓘ Emperor Leo V the Armenian NERFINISHED ⓘ
countryOfCitizenship	Byzantine Empire NERFINISHED ⓘ
deathDate	13 March 828 ⓘ
deathPlace	exile near Constantinople ⓘ
education	trained in theology and imperial administration ⓘ
endOfPatriarchate	815 ⓘ
era	early 9th century ⓘ
father	Theodore (Byzantine secretary) NERFINISHED ⓘ
feastDay	2 June ⓘ
knownFor	historical account of the reigns from 602 to 769 ⓘ theological arguments for the veneration of icons ⓘ
languageOfWork	Greek ⓘ
movement	Iconophile ⓘ
notableFor	defense of icon veneration ⓘ opposition to Byzantine Iconoclasm ⓘ
occupation	historian ⓘ patriarch ⓘ theologian ⓘ
opposedTo	Byzantine Iconoclasm NERFINISHED ⓘ second phase of Byzantine Iconoclasm ⓘ
participatedIn	controversies over the veneration of icons ⓘ
positionHeld	Ecumenical Patriarch of Constantinople NERFINISHED ⓘ
predecessor	Tarasios of Constantinople NERFINISHED ⓘ
previousPosition	imperial secretary (asekretis) ⓘ
reasonForEndOfPatriarchate	deposition and exile by iconoclast authorities ⓘ
religion	Eastern Orthodox Christianity ⓘ surface form: Eastern Orthodox Church
residence	Constantinople NERFINISHED ⓘ
successor	Theodotos I Kassiteras NERFINISHED ⓘ
supportedBy	iconophile monks ⓘ
title	Saint Nikephoros the Confessor NERFINISHED ⓘ
veneratedIn	Eastern Orthodox Christianity ⓘ surface form: Eastern Orthodox Church Roman Catholicism ⓘ surface form: Roman Catholic Church
workLocation	Constantinople NERFINISHED ⓘ
wrote	Antirrhetici against the iconoclasts ⓘ Apologeticus maior NERFINISHED ⓘ Apologeticus minor NERFINISHED ⓘ Chronography NERFINISHED ⓘ Short History (Breviarium) NERFINISHED ⓘ

How these facts were elicited

Referenced by (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

Tarasios of Constantinople → succeededBy → Nikephoros I of Constantinople ⓘ

Old Great Bulgaria → sourceMention → Nikephoros I of Constantinople ⓘ

this entity surface form: Patriarch Nikephoros I of Constantinople

Tarasios → successorInRole → Nikephoros I of Constantinople ⓘ

Byzantine Empire under Isaurian dynasty → hasNotableFigure → Nikephoros I of Constantinople ⓘ