Princess Kazuko
E20240
Princess Kazuko was a Japanese imperial princess, the second daughter of Emperor Hirohito, who became a prominent member of the Imperial Family in the Shōwa era.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Princess Kazuko canonical | 7 |
| Princess Kazuko, Princess Taka | 4 |
| Princess Kazuko Takatsukasa | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T86468 — 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: Princess Kazuko Context triple: [Emperor Hirohito, child, Princess Kazuko]
-
A.
Princess Shigeko
Princess Shigeko was the eldest daughter of Emperor Hirohito of Japan, known for her role as a member of the Japanese imperial family during the Shōwa era.
-
B.
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.
-
C.
Empress Kōjun
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.
-
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.
Michiko
Michiko is the former Empress of Japan and the wife of Emperor Emeritus Akihito, known for being the first commoner to marry into the Japanese imperial family.
- 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: Princess Kazuko Target entity description: Princess Kazuko was a Japanese imperial princess, the second daughter of Emperor Hirohito, who became a prominent member of the Imperial Family in the Shōwa era.
-
A.
Princess Shigeko
Princess Shigeko was the eldest daughter of Emperor Hirohito of Japan, known for her role as a member of the Japanese imperial family during the Shōwa era.
-
B.
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.
-
C.
Empress Kōjun
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.
-
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.
Michiko
Michiko is the former Empress of Japan and the wife of Emperor Emeritus Akihito, known for being the first commoner to marry into the Japanese imperial family.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese imperial princess
ⓘ
member of the Japanese Imperial Family ⓘ |
| continent | Asia ⓘ |
| countryOfCitizenship | Japan ⓘ |
| culture | Japanese ⓘ |
| era |
Showa era
ⓘ
surface form:
Shōwa era
|
| ethnicGroup |
House of Yamato
ⓘ
surface form:
Yamato Japanese
|
| father | Emperor Hirohito ⓘ |
| givenName | Kazuko ⓘ |
| memberOf | Imperial House of Japan ⓘ |
| mother | Empress Kōjun ⓘ |
| nativeLanguage | Japanese ⓘ |
| nobleTitle | Princess of Japan ⓘ |
| notableFamily |
Yamato polity
ⓘ
surface form:
Yamato dynasty
|
| positionHeld | member of the Imperial House of Japan ⓘ |
| residence | Tokyo ⓘ |
| sexOrGender | female ⓘ |
| sibling |
Akihito
ⓘ
surface form:
Emperor Akihito
Prince Chichibu ⓘ Prince Hitachi ⓘ Prince Masahito ⓘ Prince Mikasa ⓘ Prince Takamatsu ⓘ Princess Atsuko ⓘ Princess Shigeko ⓘ |
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: Princess Kazuko Description of subject: Princess Kazuko was a Japanese imperial princess, the second daughter of Emperor Hirohito, who became a prominent member of the Imperial Family in the Shōwa era.
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Princess Kazuko, Princess Taka
this entity surface form:
Princess Kazuko, Princess Taka
this entity surface form:
Princess Kazuko, Princess Taka
this entity surface form:
Princess Kazuko Takatsukasa
this entity surface form:
Princess Kazuko, Princess Taka