Constantius II
E48565
Constantius II was a 4th-century Roman emperor who ruled much of the Eastern Roman Empire and played a key role in the religious and political struggles following Constantine the Great’s reign.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Constantius II canonical | 65 |
| Emperor Constantius II | 7 |
| Roman emperor Constantius II | 2 |
| Constantinus II | 1 |
| Flavius Julius Constantius (Constantius II) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T285750 — 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: Constantius II Context triple: [Constantine the Great, child, Constantius II]
-
A.
Constantius Chlorus
Constantius Chlorus was a Roman emperor of the late 3rd and early 4th centuries, best known as a senior ruler in the Tetrarchy and the father of Constantine the Great.
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B.
Galerius
Galerius was a Roman emperor of the late 3rd and early 4th centuries CE, best known for his role in the Tetrarchy and for intensifying the persecution of Christians in the Eastern Roman Empire.
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C.
Licinius
Licinius was a Roman emperor of the early 4th century who ruled the eastern part of the empire and is best known for co-authoring the Edict of Milan, which granted religious tolerance to Christians.
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D.
Maximian
Maximian was a Roman emperor who ruled as co-augustus alongside Diocletian during the late 3rd and early 4th centuries, helping to stabilize and reform the empire.
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E.
Constantinus Magnus
Constantinus Magnus, better known as Constantine the Great, was the Roman emperor who legalized Christianity and refounded Byzantium as Constantinople, profoundly shaping the future of the Roman Empire and Christian Europe.
- 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: Constantius II Target entity description: Constantius II was a 4th-century Roman emperor who ruled much of the Eastern Roman Empire and played a key role in the religious and political struggles following Constantine the Great’s reign.
-
A.
Constantius Chlorus
Constantius Chlorus was a Roman emperor of the late 3rd and early 4th centuries, best known as a senior ruler in the Tetrarchy and the father of Constantine the Great.
-
B.
Galerius
Galerius was a Roman emperor of the late 3rd and early 4th centuries CE, best known for his role in the Tetrarchy and for intensifying the persecution of Christians in the Eastern Roman Empire.
-
C.
Licinius
Licinius was a Roman emperor of the early 4th century who ruled the eastern part of the empire and is best known for co-authoring the Edict of Milan, which granted religious tolerance to Christians.
-
D.
Maximian
Maximian was a Roman emperor who ruled as co-augustus alongside Diocletian during the late 3rd and early 4th centuries, helping to stabilize and reform the empire.
-
E.
Constantinus Magnus
Constantinus Magnus, better known as Constantine the Great, was the Roman emperor who legalized Christianity and refounded Byzantium as Constantinople, profoundly shaping the future of the Roman Empire and Christian Europe.
- F. None of above. chosen
Statements (51)
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: Constantius II Description of subject: Constantius II was a 4th-century Roman emperor who ruled much of the Eastern Roman Empire and played a key role in the religious and political struggles following Constantine the Great’s reign.
Referenced by (76)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Constantine the Great
subject surface form:
Constantine the Great
this entity surface form:
Flavius Julius Constantius (Constantius II)
this entity surface form:
Emperor Constantius II
this entity surface form:
Emperor Constantius II
this entity surface form:
Emperor Constantius II
this entity surface form:
Emperor Constantius II
subject surface form:
Crispus
this entity surface form:
Constantinus II
this entity surface form:
Roman emperor Constantius II