Flavius Placidius Valentinianus
E394810
Flavius Placidius Valentinianus, better known as Valentinian III, was a Western Roman emperor who ruled from 425 to 455 AD during the empire’s final decline.
All labels observed (8)
How this entity was disambiguated
This entity first appeared as the object of triple T3329768 — 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.
Target entity: Flavius Placidius Valentinianus Context triple: [Valentinian III, fullName, Flavius Placidius Valentinianus]
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A.
Valentinian I
Valentinian I was a 4th-century Roman emperor (reigned 364–375 AD) known for strengthening the empire’s frontiers and defending the Western Roman Empire against Germanic invasions.
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B.
Arcadius
Arcadius was a late 4th- and early 5th-century Roman emperor who ruled the Eastern Roman Empire and was the elder son of Theodosius I.
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C.
Valentinian II
Valentinian II was a late 4th-century Roman emperor of the Western Roman Empire who came to the throne as a child and ruled under the influence of powerful generals and bishops during a time of intense religious and political conflict.
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D.
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.
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E.
Constans
Constans was a 4th-century Roman emperor, son of Constantine the Great, who ruled over parts of the Western Roman Empire until his overthrow and death.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: Flavius Placidius Valentinianus Target entity description: Flavius Placidius Valentinianus, better known as Valentinian III, was a Western Roman emperor who ruled from 425 to 455 AD during the empire’s final decline.
-
A.
Valentinian I
Valentinian I was a 4th-century Roman emperor (reigned 364–375 AD) known for strengthening the empire’s frontiers and defending the Western Roman Empire against Germanic invasions.
-
B.
Arcadius
Arcadius was a late 4th- and early 5th-century Roman emperor who ruled the Eastern Roman Empire and was the elder son of Theodosius I.
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C.
Valentinian II
Valentinian II was a late 4th-century Roman emperor of the Western Roman Empire who came to the throne as a child and ruled under the influence of powerful generals and bishops during a time of intense religious and political conflict.
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D.
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.
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E.
Constans
Constans was a 4th-century Roman emperor, son of Constantine the Great, who ruled over parts of the Western Roman Empire until his overthrow and death.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
Roman emperor
ⓘ
Western Roman emperor ⓘ human ⓘ |
| alsoKnownAs | Valentinian III ⓘ |
| appointedBy | Theodosius II ⓘ |
| associatedWith | decline of central imperial authority in the West ⓘ |
| birthDate | 419 ⓘ |
| birthPlace | Ravenna ⓘ |
| child |
Aelia Eudocia
ⓘ
surface form:
Eudocia
Placidia (daughter of Valentinian III) ⓘ
surface form:
Placidia
|
| citizenship | Roman Empire ⓘ |
| coRulerWith | Theodosius II ⓘ |
| country | Western Roman Empire ⓘ |
| deathCause | assassination ⓘ |
| deathDate | 455 ⓘ |
| deathPlace | Rome ⓘ |
| dynasty | Theodosian dynasty ⓘ |
| era | Late Antiquity ⓘ |
| father | Constantius III ⓘ |
| givenName |
Flavius
ⓘ
Placidius ⓘ Flavius Placidius Valentinianus self-linksurface differs ⓘ
surface form:
Valentinianus
|
| house | House of Theodosius ⓘ |
| language | Latin ⓘ |
| mother | Galla Placidia ⓘ |
| notableEvent |
influence of general Flavius Aetius over imperial policy
ⓘ
loss of much of Gaul and Hispania to Germanic kingdoms during his reign ⓘ reign coincided with the sack of Rome by the Vandals in 455 ⓘ struggle with Hunnic incursions in Gaul ⓘ |
| notableFor | being one of the last emperors of the Western Roman Empire ⓘ |
| orderedKillingOf |
Aetius
ⓘ
surface form:
Flavius Aetius
|
| positionHeld | Emperor of the Western Roman Empire ⓘ |
| predecessor | Honorius ⓘ |
| regent |
Aetius
ⓘ
surface form:
Flavius Aetius
Galla Placidia ⓘ |
| reignEnd | 455 ⓘ |
| reignStart | 425 ⓘ |
| relative | Theodosius II ⓘ |
| religion | Nicene Christianity ⓘ |
| spouse |
Empress Licinia Eudoxia
ⓘ
surface form:
Licinia Eudoxia
|
| successor | Petronius Maximus ⓘ |
| title | Augustus ⓘ |
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.
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.
Subject: Flavius Placidius Valentinianus Description of subject: Flavius Placidius Valentinianus, better known as Valentinian III, was a Western Roman emperor who ruled from 425 to 455 AD during the empire’s final decline.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.