Valentinian III
E70005
Valentinian III was a 5th-century Western Roman emperor whose long but troubled reign was marked by internal power struggles and the empire’s accelerating decline in the West.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Valentinian III canonical | 34 |
| Emperor Valentinian III | 2 |
| Western Roman Emperor Valentinian III | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T543516 — 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: Valentinian III Context triple: [Western Roman Empire, ruler, Valentinian III]
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A.
Honorius
Honorius was a Western Roman emperor whose weak leadership and reliance on generals like Stilicho coincided with the empire’s decline and the Visigothic sack of Rome in 410.
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B.
Julius Nepos
Julius Nepos was a late Western Roman emperor, often regarded as the last legitimate holder of the imperial title in the West before the fall of the Western Roman Empire.
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C.
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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D.
Emperor Marcian
Emperor Marcian was a 5th-century Byzantine ruler known for stabilizing the Eastern Roman Empire and shaping Christian doctrine through his support of the Council of Chalcedon.
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E.
Romulus Augustulus
Romulus Augustulus was the last de facto Western Roman emperor, whose deposition in 476 AD traditionally marks the end of the Western Roman Empire.
- 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: Valentinian III Target entity description: Valentinian III was a 5th-century Western Roman emperor whose long but troubled reign was marked by internal power struggles and the empire’s accelerating decline in the West.
-
A.
Honorius
Honorius was a Western Roman emperor whose weak leadership and reliance on generals like Stilicho coincided with the empire’s decline and the Visigothic sack of Rome in 410.
-
B.
Julius Nepos
Julius Nepos was a late Western Roman emperor, often regarded as the last legitimate holder of the imperial title in the West before the fall of the Western Roman Empire.
-
C.
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.
-
D.
Emperor Marcian
Emperor Marcian was a 5th-century Byzantine ruler known for stabilizing the Eastern Roman Empire and shaping Christian doctrine through his support of the Council of Chalcedon.
-
E.
Romulus Augustulus
Romulus Augustulus was the last de facto Western Roman emperor, whose deposition in 476 AD traditionally marks the end of the Western Roman Empire.
- F. None of above. chosen
Statements (48)
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: Valentinian III Description of subject: Valentinian III was a 5th-century Western Roman emperor whose long but troubled reign was marked by internal power struggles and the empire’s accelerating decline in the West.
Referenced by (38)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Emperor Valentinian III
subject surface form:
Petronius Maximus
this entity surface form:
Western Roman Emperor Valentinian III