Placidia (daughter of Valentinian III)
E231252
Placidia was a late Western Roman imperial princess, the younger daughter of Emperor Valentinian III and Empress Licinia Eudoxia, whose life was intertwined with the empire’s final decades.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Placidia | 6 |
| Placidia (daughter of Valentinian III) canonical | 4 |
| Placidia the Younger | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2029838 — 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: Placidia (daughter of Valentinian III) Context triple: [Empress Licinia Eudoxia, child, Placidia (daughter of Valentinian III)]
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A.
Eudocia (daughter of Valentinian III)
Eudocia was a late Roman imperial princess, daughter of Emperor Valentinian III and Empress Licinia Eudoxia, who became notable through her dynastic connections during the empire’s final centuries.
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B.
Aelia Eudocia
Aelia Eudocia was a late Roman imperial princess, daughter of Empress Licinia Eudoxia and Emperor Valentinian III, who became briefly Western Roman empress through her marriage to the usurper emperor Petronius Maximus.
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C.
Empress Pulcheria
Empress Pulcheria was a powerful 5th-century Byzantine imperial princess and regent who wielded significant political and religious influence, notably shaping Christian doctrine and imperial policy in the Eastern Roman Empire.
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D.
Aelia Flaccilla
Aelia Flaccilla was a late 4th-century Roman empress, wife of Emperor Theodosius I and a highly respected Augusta known for her piety and charitable works.
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E.
Helena (daughter of Constantine I)
Helena was a daughter of the Roman emperor Constantine the Great and a member of the Constantinian imperial dynasty in the 4th century.
- 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: Placidia (daughter of Valentinian III) Target entity description: Placidia was a late Western Roman imperial princess, the younger daughter of Emperor Valentinian III and Empress Licinia Eudoxia, whose life was intertwined with the empire’s final decades.
-
A.
Eudocia (daughter of Valentinian III)
Eudocia was a late Roman imperial princess, daughter of Emperor Valentinian III and Empress Licinia Eudoxia, who became notable through her dynastic connections during the empire’s final centuries.
-
B.
Aelia Eudocia
Aelia Eudocia was a late Roman imperial princess, daughter of Empress Licinia Eudoxia and Emperor Valentinian III, who became briefly Western Roman empress through her marriage to the usurper emperor Petronius Maximus.
-
C.
Empress Pulcheria
Empress Pulcheria was a powerful 5th-century Byzantine imperial princess and regent who wielded significant political and religious influence, notably shaping Christian doctrine and imperial policy in the Eastern Roman Empire.
-
D.
Aelia Flaccilla
Aelia Flaccilla was a late 4th-century Roman empress, wife of Emperor Theodosius I and a highly respected Augusta known for her piety and charitable works.
-
E.
Helena (daughter of Constantine I)
Helena was a daughter of the Roman emperor Constantine the Great and a member of the Constantinian imperial dynasty in the 4th century.
- F. None of above. chosen
Statements (33)
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: Placidia (daughter of Valentinian III) Description of subject: Placidia was a late Western Roman imperial princess, the younger daughter of Emperor Valentinian III and Empress Licinia Eudoxia, whose life was intertwined with the empire’s final decades.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Placidia (daughter of Valentinian III)
linked to: Placidia (daughter of Valentinian III)
linked to: Placidia (daughter of Valentinian III)
subject linked to:
Valentinian
linked to: Placidia (daughter of Valentinian III)
linked to: Placidia (daughter of Valentinian III)
linked to: Placidia (daughter of Valentinian III)
subject linked to:
Thermantia (daughter of Constantius III and Galla Placidia)