Marcianus
E356348
Marcianus was a late Roman imperial prince, known primarily as the son of Western Roman Emperor Anthemius.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Marcianus canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T3403033 — 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: Marcianus Context triple: [Anthemius, child, Marcianus]
-
A.
Cassianus
Cassianus is the Latin name of Saint Cassian of Imola, an early Christian martyr and teacher venerated in the Catholic Church.
-
B.
Libius Severus
Libius Severus was a little-known Western Roman emperor who reigned from 461 to 465 AD as a puppet of the powerful general Ricimer during the empire’s final decline.
-
C.
Vetranio
Vetranio was a 4th-century Roman general who briefly ruled as a usurper emperor in the Balkans before abdicating in favor of Constantius II.
-
D.
Didius Julianus
Didius Julianus was a short-lived Roman emperor in 193 AD, infamous for effectively purchasing the imperial throne during the chaotic Year of the Five Emperors.
-
E.
Mucianus
Mucianus was a Roman general and statesman who played a key role in securing Vespasian’s rise to power during the turbulent Year of the Four Emperors in 69 CE.
- 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: Marcianus Target entity description: Marcianus was a late Roman imperial prince, known primarily as the son of Western Roman Emperor Anthemius.
-
A.
Cassianus
Cassianus is the Latin name of Saint Cassian of Imola, an early Christian martyr and teacher venerated in the Catholic Church.
-
B.
Libius Severus
Libius Severus was a little-known Western Roman emperor who reigned from 461 to 465 AD as a puppet of the powerful general Ricimer during the empire’s final decline.
-
C.
Vetranio
Vetranio was a 4th-century Roman general who briefly ruled as a usurper emperor in the Balkans before abdicating in favor of Constantius II.
-
D.
Didius Julianus
Didius Julianus was a short-lived Roman emperor in 193 AD, infamous for effectively purchasing the imperial throne during the chaotic Year of the Five Emperors.
-
E.
Mucianus
Mucianus was a Roman general and statesman who played a key role in securing Vespasian’s rise to power during the turbulent Year of the Four Emperors in 69 CE.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
Roman imperial prince
ⓘ
member of the Theodosian dynasty ⓘ |
| associatedWith |
imperial court of Constantinople
ⓘ
surface form:
Eastern Roman imperial court
Roman imperial court ⓘ
surface form:
Western Roman imperial court
|
| country | Western Roman Empire ⓘ |
| culture | Late Roman ⓘ |
| dynasticConnection | House of Leo ⓘ |
| ethnicGroup | Roman ⓘ |
| father | Anthemius ⓘ |
| fatherInLaw | Leo I ⓘ |
| mother | Marcia Euphemia ⓘ |
| motherInLaw | Verina ⓘ |
| nobleFamily | Theodosian dynasty ⓘ |
| notableFor |
being son of Western Roman Emperor Anthemius
ⓘ
marriage alliance between Eastern and Western imperial houses ⓘ |
| participatedIn | usurpation attempt against Emperor Zeno ⓘ |
| placeOfActivity |
Constantinople (probable)
ⓘ
surface form:
Constantinople
Italy ⓘ |
| positionHeld |
consul
ⓘ
magister militum ⓘ patricius ⓘ |
| rebelledAgainst | Zeno ⓘ |
| relative |
Leo II
ⓘ
Zeno ⓘ |
| religion | Christianity ⓘ |
| sibling |
Alypia
ⓘ
Anthemiolus ⓘ Anthemius ⓘ
surface form:
Procopius Anthemius
Romulus ⓘ |
| spouse | Leontia ⓘ |
| timePeriod | 5th century ⓘ |
| title | prince of the Western Roman Empire ⓘ |
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: Marcianus Description of subject: Marcianus was a late Roman imperial prince, known primarily as the son of Western Roman Emperor Anthemius.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.