Olybrius
E71798
Olybrius was a short-lived 5th-century Western Roman emperor whose brief reign in 472 occurred during the empire’s final period of political fragmentation and decline.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Olybrius canonical | 5 |
| Anicius Olybrius | 2 |
| Flavius Anicius Olybrius Augustus | 1 |
| Flavius Olybrius | 1 |
| Olybrius (Western Roman emperor by marriage connection) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T543522 — 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: Olybrius Context triple: [Western Roman Empire, ruler, Olybrius]
-
A.
Majorian
Majorian was a 5th-century Western Roman emperor noted for his energetic but ultimately unsuccessful efforts to restore the crumbling empire through military campaigns and administrative reforms.
-
B.
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.
-
C.
Valentinian III
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.
-
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.
-
E.
Avitus
Avitus was a short-reigned 5th-century Western Roman emperor whose rule was marked by political instability and the empire’s accelerating decline.
- 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: Olybrius Target entity description: Olybrius was a short-lived 5th-century Western Roman emperor whose brief reign in 472 occurred during the empire’s final period of political fragmentation and decline.
-
A.
Majorian
Majorian was a 5th-century Western Roman emperor noted for his energetic but ultimately unsuccessful efforts to restore the crumbling empire through military campaigns and administrative reforms.
-
B.
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.
-
C.
Valentinian III
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.
-
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.
-
E.
Avitus
Avitus was a short-reigned 5th-century Western Roman emperor whose rule was marked by political instability and the empire’s accelerating decline.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
Roman emperor
ⓘ
Western Roman emperor ⓘ human ⓘ |
| associatedWith |
Leo I
ⓘ
surface form:
Leo I the Thracian
Ricimer ⓘ |
| category |
5th-century Roman emperors
ⓘ
Theodosian dynasty ⓘ Roman emperors ⓘ
surface form:
Western Roman emperors
|
| centuryOfActivity | 5th century ⓘ |
| country | Western Roman Empire ⓘ |
| deathDate | 472 ⓘ |
| deathPlace | Rome ⓘ |
| dynasty | Theodosian dynasty ⓘ |
| fatherInLaw | Valentinian III ⓘ |
| givenName |
Olybrius
self-linksurface differs
ⓘ
surface form:
Anicius Olybrius
|
| historicalContext | final period of political fragmentation of the Western Roman Empire ⓘ |
| historicalPeriod | Late Antiquity ⓘ |
| languageOfName | Latin ⓘ |
| memberOf | Anicii ⓘ |
| motherInLaw |
Empress Licinia Eudoxia
ⓘ
surface form:
Licinia Eudoxia
|
| notableFor |
rule during the decline of the Western Roman Empire
ⓘ
short reign as Western Roman emperor ⓘ |
| occupation | emperor ⓘ |
| positionHeld |
Roman emperors
ⓘ
surface form:
Emperor of the Western Roman Empire
|
| predecessor | Anthemius ⓘ |
| reignEnd | 472 ⓘ |
| reignStart | 472 ⓘ |
| religion | Christianity ⓘ |
| spouse |
Placidia (daughter of Valentinian III)
ⓘ
surface form:
Placidia the Younger
|
| successor | Glycerius ⓘ |
| 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.
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: Olybrius Description of subject: Olybrius was a short-lived 5th-century Western Roman emperor whose brief reign in 472 occurred during the empire’s final period of political fragmentation and decline.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Anicius Olybrius
this entity surface form:
Anicius Olybrius
this entity surface form:
Flavius Olybrius
this entity surface form:
Flavius Anicius Olybrius Augustus
this entity surface form:
Olybrius (Western Roman emperor by marriage connection)