Antipope Felix II
E641920
Antipope Felix II was a 4th-century cleric installed in opposition to Pope Liberius during the Arian controversy, later regarded by the Catholic Church as an illegitimate pope.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Antipope Felix II canonical | 1 |
| Antipopes | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7096280 — 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: Antipope Felix II Context triple: [Pope Liberius, seeAlso, Antipope Felix II]
-
A.
antipope Felix V
Antipope Felix V was the last historical antipope, a 15th-century Duke of Savoy who was elected by the Council of Basel in opposition to Pope Eugene IV.
-
B.
Antipope Victor IV
Antipope Victor IV was a 12th-century claimant to the papacy, backed by Holy Roman Emperor Frederick I Barbarossa in opposition to the legitimate Pope Alexander III during a major schism in the Catholic Church.
-
C.
John XXIII (antipope)
John XXIII (antipope) was a rival claimant to the papacy during the Western Schism, recognized by the Pisan obedience but later deposed by the Council of Constance.
-
D.
Honorius II (antipope)
Honorius II was an 11th-century antipope who opposed the legitimate papacy during the Investiture Controversy, continuing the imperial-backed schismatic line after Clement III.
-
E.
Clement VII (Avignon antipope)
Clement VII (Avignon antipope) was a 14th-century French cardinal who became the first major Avignon claimant to the papacy during the Western Schism, opposing the Roman popes and deepening the split within the Catholic Church.
- 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: Antipope Felix II Target entity description: Antipope Felix II was a 4th-century cleric installed in opposition to Pope Liberius during the Arian controversy, later regarded by the Catholic Church as an illegitimate pope.
-
A.
antipope Felix V
Antipope Felix V was the last historical antipope, a 15th-century Duke of Savoy who was elected by the Council of Basel in opposition to Pope Eugene IV.
-
B.
Antipope Victor IV
Antipope Victor IV was a 12th-century claimant to the papacy, backed by Holy Roman Emperor Frederick I Barbarossa in opposition to the legitimate Pope Alexander III during a major schism in the Catholic Church.
-
C.
John XXIII (antipope)
John XXIII (antipope) was a rival claimant to the papacy during the Western Schism, recognized by the Pisan obedience but later deposed by the Council of Constance.
-
D.
Honorius II (antipope)
Honorius II was an 11th-century antipope who opposed the legitimate papacy during the Investiture Controversy, continuing the imperial-backed schismatic line after Clement III.
-
E.
Clement VII (Avignon antipope)
Clement VII (Avignon antipope) was a 14th-century French cardinal who became the first major Avignon claimant to the papacy during the Western Schism, opposing the Roman popes and deepening the split within the Catholic Church.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
4th-century Christian
ⓘ
Catholic cleric ⓘ antipope ⓘ |
| activeDuring | 4th century ⓘ |
| associatedCouncilOrSynod | Arian-influenced synods under Constantius II ⓘ |
| associatedWith |
Roman imperial intervention in Church affairs
ⓘ
exile of Pope Liberius ⓘ |
| category |
4th-century Italian bishops
ⓘ
4th-century antipopes ⓘ Antipopes ⓘ
linked to:
Antipope Felix II
|
| church |
Church of Rome
ⓘ
linked to:
Roman Church
|
| conflict | Arian controversy ⓘ |
| consideredBy | Catholic Church as an antipope ⓘ |
| country | Roman Empire ⓘ |
| disambiguationNeededFrom |
Pope Felix II (Felix III in modern numbering)
ⓘ
linked to:
Pope Felix III
|
| era | Late Antiquity ⓘ |
| historicalRegion | Italy ⓘ |
| historicalStatus | contested bishop of Rome ⓘ |
| honorificPrefix | Antipope ⓘ |
| installedBy |
Roman Emperor Constantius II
ⓘ
linked to:
Constantius II
|
| knownFor | being installed as rival to Pope Liberius during the Arian controversy ⓘ |
| languageOfLiturgicalUse | Latin ⓘ |
| name | Felix II ⓘ |
| notRecognizedBy |
Catholic Church
ⓘ
linked to:
Catholic Church worldwide
Roman See ⓘ
linked to:
Diocese of Rome
|
| opposed | Pope Liberius ⓘ |
| opposedBy | supporters of Pope Liberius ⓘ |
| opposedDoctrine |
Nicene orthodoxy
ⓘ
linked to:
Nicene Christianity
|
| papalLegitimacyStatus | excluded from official list of popes ⓘ |
| papalStatus | illegitimate pope ⓘ |
| placeOfActivity | Rome ⓘ |
| positionHeld | Bishop of Rome (illegitimate) ⓘ |
| predecessorClaimed | Pope Liberius ⓘ |
| recognizedBy | Arian bishops ⓘ |
| religion | Christianity ⓘ |
| religiousTradition | Nicene Christianity ⓘ |
| roleInEvent | rival claimant to the papacy during the exile of Pope Liberius ⓘ |
| sphereOfInfluence | Roman clergy aligned with Arianism ⓘ |
| successorClaimed | Pope Damasus I ⓘ |
| supportedBy |
Arian party at the imperial court
ⓘ
Constantius II ⓘ |
| titleInSomeSources | Felix ⓘ |
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: Antipope Felix II Description of subject: Antipope Felix II was a 4th-century cleric installed in opposition to Pope Liberius during the Arian controversy, later regarded by the Catholic Church as an illegitimate pope.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Antipope Felix II