Constantine II
E48171
Constantine II was a 4th-century Roman emperor, the eldest son of Constantine the Great, who ruled parts of the Roman Empire after his father's death until his own early demise in a dynastic conflict.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Constantine II canonical | 32 |
| Constantine II (as child dynastic figure, not combatant) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T285749 — 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: Constantine II Context triple: [Constantine the Great, child, Constantine 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.
-
B.
Constantine
Constantine is a historic northeastern Algerian city famed for its dramatic bridges spanning deep gorges and its role as a major cultural and economic center.
-
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.
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.
-
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: Constantine II Target entity description: Constantine II was a 4th-century Roman emperor, the eldest son of Constantine the Great, who ruled parts of the Roman Empire after his father's death until his own early demise in a dynastic conflict.
-
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.
Constantine
Constantine is a historic northeastern Algerian city famed for its dramatic bridges spanning deep gorges and its role as a major cultural and economic center.
-
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.
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.
-
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 (48)
| Predicate | Object |
|---|---|
| instanceOf |
4th-century Roman person
ⓘ
Roman emperor ⓘ historical figure ⓘ |
| appointedCaesarBy |
Constantine the Great
ⓘ
linked to:
Constantinus Magnus
|
| causeOfDeath | battle in civil war ⓘ |
| civilWar | war against Constans I ⓘ |
| conflict | dynastic conflict with Constans I ⓘ |
| coRuler |
Constans I
ⓘ
linked to:
Constans
Constantius II ⓘ |
| countryOfCitizenship | Roman Empire ⓘ |
| dateOfBirth |
0316-01-01
ⓘ
0317-01-01 ⓘ |
| dateOfCaesarAppointment | 0317-03-01 ⓘ |
| dateOfDeath | 0340-04-09 ⓘ |
| dynasty | Constantinian dynasty ⓘ |
| endTimeAsAugustus | 0340-04-09 ⓘ |
| endTimeAsCaesar | 0337-05-22 ⓘ |
| era | Late Antiquity ⓘ |
| father |
Constantine the Great
ⓘ
linked to:
Constantinus Magnus
|
| fullName | Flavius Claudius Constantinus ⓘ |
| mannerOfDeath | killed in battle ⓘ |
| memberOf | Constantinian dynasty ⓘ |
| mother | Fausta ⓘ |
| nobleTitle |
Augustus
ⓘ
Caesar ⓘ |
| notableFor |
being eldest son of Constantine the Great
ⓘ
death during dynastic conflict ⓘ ruling western provinces of the Roman Empire ⓘ |
| placeOfBirth |
Arelate
ⓘ
Arles ⓘ |
| placeOfDeath |
Aquileia region
ⓘ
linked to:
Aquileia
near Aquileia ⓘ |
| positionHeld |
Augustus
ⓘ
Caesar ⓘ Roman consul ⓘ Roman emperor ⓘ |
| predecessor |
Constantine the Great
ⓘ
linked to:
Constantinus Magnus
|
| religion | Christianity ⓘ |
| sexOrGender | male ⓘ |
| sibling |
Constans I
ⓘ
linked to:
Constans
Constantius II ⓘ |
| startTimeAsAugustus | 0337-05-22 ⓘ |
| startTimeAsCaesar | 0317-03-01 ⓘ |
| successor |
Constans I
ⓘ
linked to:
Constans
|
| territoryRuled |
Britannia
ⓘ
Gaul ⓘ Hispania ⓘ
linked to:
Iberian Peninsula
parts 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: Constantine II Description of subject: Constantine II was a 4th-century Roman emperor, the eldest son of Constantine the Great, who ruled parts of the Roman Empire after his father's death until his own early demise in a dynastic conflict.
Referenced by (33)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Roman emperor Constantine the Great
subject linked to:
Roman emperor Constantine the Great
subject linked to:
appears on Roman imperial coinage as Caesar
subject linked to:
Saint Constantine
subject linked to:
Saint Constantine
subject linked to:
Constantina, daughter of Constantine the Great
Roman civil wars of the Tetrarchic period
→
hasParticipant
→
Constantine II (as child dynastic figure, not combatant)
ⓘ
linked to: Constantine II
subject linked to:
Constantia (sister of Constantine)