Empress Kōjun
E19540
Empress Kōjun was the longtime consort of Emperor Hirohito and the mother of Emperor Akihito, serving as Japan’s empress during much of the Shōwa era.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Empress Kōjun canonical | 31 |
| Empress Dowager Kōjun | 1 |
| Empress Kojun | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T86465 — 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: Empress Kōjun Context triple: [Emperor Hirohito, spouse, Empress Kōjun]
-
A.
Empress Masako
Empress Masako is the current Empress of Japan, a Harvard-educated former diplomat known for her international background and marriage to Emperor Naruhito.
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B.
Naruhito
Naruhito is the Emperor of Japan and the symbolic head of state of the country.
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C.
Fumihito, Crown Prince Akishino
Fumihito, Crown Prince Akishino, is the younger brother and heir presumptive to Emperor Naruhito of Japan and a senior member of the Japanese imperial family.
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D.
Aiko, Princess Toshi
Aiko, Princess Toshi is the only child of Emperor Naruhito and Empress Masako of Japan and a member of the Japanese imperial family.
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E.
Akihito
Akihito is the former Emperor of Japan who abdicated in 2019, ending the Heisei era and becoming the first Japanese monarch to step down in over two centuries.
- 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: Empress Kōjun Target entity description: Empress Kōjun was the longtime consort of Emperor Hirohito and the mother of Emperor Akihito, serving as Japan’s empress during much of the Shōwa era.
-
A.
Empress Masako
Empress Masako is the current Empress of Japan, a Harvard-educated former diplomat known for her international background and marriage to Emperor Naruhito.
-
B.
Naruhito
Naruhito is the Emperor of Japan and the symbolic head of state of the country.
-
C.
Fumihito, Crown Prince Akishino
Fumihito, Crown Prince Akishino, is the younger brother and heir presumptive to Emperor Naruhito of Japan and a senior member of the Japanese imperial family.
-
D.
Aiko, Princess Toshi
Aiko, Princess Toshi is the only child of Emperor Naruhito and Empress Masako of Japan and a member of the Japanese imperial family.
-
E.
Akihito
Akihito is the former Emperor of Japan who abdicated in 2019, ending the Heisei era and becoming the first Japanese monarch to step down in over two centuries.
- F. None of above. chosen
Statements (49)
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: Empress Kōjun Description of subject: Empress Kōjun was the longtime consort of Emperor Hirohito and the mother of Emperor Akihito, serving as Japan’s empress during much of the Shōwa era.
Referenced by (33)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Musashi Imperial Graveyard, Hachiōji, Tokyo
linked to: Empress Kōjun
linked to: Empress Kōjun
subject linked to:
House of Kuni