Imperial Prince Masahito
E1043301
Imperial Prince Masahito was a Japanese imperial prince of the late Heian period, known as a son of Emperor Toba and a member of the influential imperial family lineage.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Imperial Prince Masahito canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13494396 — 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: Imperial Prince Masahito Context triple: [Emperor Toba, child, Imperial Prince Masahito]
-
A.
Imperial Prince Masanari
Imperial Prince Masanari was a Japanese imperial prince of the late Heian to early Kamakura period, notable as a son of Emperor Go-Toba and a member of the Kyoto imperial court.
-
B.
Prince Hitachi
Prince Hitachi is a member of the Japanese imperial family and a younger brother of Emperor Emeritus Akihito.
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C.
Prince Uimin
Prince Uimin was a Korean royal prince of the Joseon dynasty and the Korean Empire, known as a younger son of Emperor Gojong and a key figure in the final years of Korea’s monarchy under Japanese rule.
-
D.
Prince Ōtomo
Prince Ōtomo was a Japanese imperial prince of the Asuka period who briefly served as crown prince and de facto ruler before his defeat and death in the Jinshin War of 672.
-
E.
Prince Chichibu
Prince Chichibu was a Japanese imperial prince, the second son of Emperor Taishō, known for his military career and role in pre-World War II Japan.
- 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: Imperial Prince Masahito Target entity description: Imperial Prince Masahito was a Japanese imperial prince of the late Heian period, known as a son of Emperor Toba and a member of the influential imperial family lineage.
-
A.
Imperial Prince Masanari
Imperial Prince Masanari was a Japanese imperial prince of the late Heian to early Kamakura period, notable as a son of Emperor Go-Toba and a member of the Kyoto imperial court.
-
B.
Prince Hitachi
Prince Hitachi is a member of the Japanese imperial family and a younger brother of Emperor Emeritus Akihito.
-
C.
Prince Uimin
Prince Uimin was a Korean royal prince of the Joseon dynasty and the Korean Empire, known as a younger son of Emperor Gojong and a key figure in the final years of Korea’s monarchy under Japanese rule.
-
D.
Prince Ōtomo
Prince Ōtomo was a Japanese imperial prince of the Asuka period who briefly served as crown prince and de facto ruler before his defeat and death in the Jinshin War of 672.
-
E.
Prince Chichibu
Prince Chichibu was a Japanese imperial prince, the second son of Emperor Taishō, known for his military career and role in pre-World War II Japan.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese imperial prince
ⓘ
member of the Japanese imperial family ⓘ |
| continent | Asia ⓘ |
| countryOfCitizenship | Japan ⓘ |
| culture | Japanese ⓘ |
| era | Heian period NERFINISHED ⓘ |
| ethnicGroup | Japanese ⓘ |
| familyName | Yamato NERFINISHED ⓘ |
| father | Emperor Toba NERFINISHED ⓘ |
| gender | male ⓘ |
| languageUsed | Classical Japanese ⓘ |
| memberOfDynasty | Yamato dynasty NERFINISHED ⓘ |
| nativeLanguage | Japanese ⓘ |
| nobleTitle | Imperial Prince NERFINISHED ⓘ |
| notableFamilyConnection | son of Emperor Toba ⓘ |
| notableFor |
being a son of Emperor Toba
ⓘ
membership in an influential imperial lineage ⓘ |
| partOf | Japanese imperial court NERFINISHED ⓘ |
| positionHeld | Japanese imperial prince ⓘ |
| region | Heian-kyō NERFINISHED ⓘ |
| religion | Buddhism ⓘ |
| residence | Heian-kyō NERFINISHED ⓘ |
| royalHouse | Imperial House of Japan NERFINISHED ⓘ |
| socialClass | aristocracy ⓘ |
| timePeriod | late Heian period NERFINISHED ⓘ |
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: Imperial Prince Masahito Description of subject: Imperial Prince Masahito was a Japanese imperial prince of the late Heian period, known as a son of Emperor Toba and a member of the influential imperial family lineage.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.