Princess Atsuko Ikeda
E595076
Princess Atsuko Ikeda is a former member of the Japanese imperial family who became a commoner upon her marriage and is known as the third daughter of Emperor Shōwa (Hirohito) and Empress Kōjun.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Princess Atsuko Ikeda canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6045147 — 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 Atsuko Ikeda Context triple: [Princess Morihiro Higashikuni, sibling, Princess Atsuko Ikeda]
-
A.
Higashikuni Michiko
Higashikuni Michiko was a Japanese noblewoman and member of the Higashikuni-no-miya branch of the imperial family.
-
B.
Princess Ayako of Takamado
Princess Ayako of Takamado is a former member of the Japanese imperial family who became known internationally for relinquishing her royal status upon marrying a commoner in 2018.
-
C.
Higashikuni Masako
Higashikuni Masako was a Japanese princess and member of the imperial family who became notable through her marriage into the Higashikuni-no-miya house.
-
D.
Higashikuni Nobuko
Higashikuni Nobuko was a Japanese princess of the Imperial Family who became a member of the Higashikuni-no-miya house through marriage.
-
E.
Princess Noriko of Takamado
Princess Noriko of Takamado is a former member of the Japanese Imperial Family, known as the second daughter of Prince and Princess Takamado who left imperial status upon her marriage to a commoner.
- 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 Atsuko Ikeda Target entity description: Princess Atsuko Ikeda is a former member of the Japanese imperial family who became a commoner upon her marriage and is known as the third daughter of Emperor Shōwa (Hirohito) and Empress Kōjun.
-
A.
Higashikuni Michiko
Higashikuni Michiko was a Japanese noblewoman and member of the Higashikuni-no-miya branch of the imperial family.
-
B.
Princess Ayako of Takamado
Princess Ayako of Takamado is a former member of the Japanese imperial family who became known internationally for relinquishing her royal status upon marrying a commoner in 2018.
-
C.
Higashikuni Masako
Higashikuni Masako was a Japanese princess and member of the imperial family who became notable through her marriage into the Higashikuni-no-miya house.
-
D.
Higashikuni Nobuko
Higashikuni Nobuko was a Japanese princess of the Imperial Family who became a member of the Higashikuni-no-miya house through marriage.
-
E.
Princess Noriko of Takamado
Princess Noriko of Takamado is a former member of the Japanese Imperial Family, known as the second daughter of Prince and Princess Takamado who left imperial status upon her marriage to a commoner.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese princess
ⓘ
former member of the Japanese imperial family ⓘ human ⓘ |
| afterMarriageName | Atsuko Ikeda NERFINISHED ⓘ |
| becameCommonerOn | marriage ⓘ |
| beforeMarriageStyle | Princess Atsuko NERFINISHED ⓘ |
| birthPlace | Tokyo NERFINISHED ⓘ |
| countryOfCitizenship | Japan ⓘ |
| ethnicGroup | Japanese ⓘ |
| familyName | Ikeda NERFINISHED ⓘ |
| father |
Emperor Shōwa
NERFINISHED
ⓘ
Hirohito NERFINISHED ⓘ |
| givenName | Atsuko NERFINISHED ⓘ |
| honorificPrefix | Her Imperial Highness ⓘ |
| house | Yamato dynasty NERFINISHED ⓘ |
| languageSpoken | Japanese ⓘ |
| livedIn | Tokyo NERFINISHED ⓘ |
| maritalStatus | married ⓘ |
| memberOf | Imperial House of Japan NERFINISHED ⓘ |
| mother | Empress Kōjun NERFINISHED ⓘ |
| nobleTitle |
Princess Atsuko of Mikasa
NERFINISHED
ⓘ
Princess Yori NERFINISHED ⓘ |
| notableFor |
being the third daughter of Emperor Shōwa and Empress Kōjun
ⓘ
renouncing imperial status upon marriage ⓘ |
| partOf | Shōwa era Japanese imperial family NERFINISHED ⓘ |
| positionHeld | Princess of Japan NERFINISHED ⓘ |
| relative |
Crown Prince Fumihito
NERFINISHED
ⓘ
Emperor Naruhito NERFINISHED ⓘ Princess Sayako Kuroda NERFINISHED ⓘ |
| religion | Shinto ⓘ |
| residence | Japan ⓘ |
| sexOrGender | female ⓘ |
| sibling |
Emperor Emeritus Akihito
NERFINISHED
ⓘ
Prince Chichibu NERFINISHED ⓘ Prince Hitachi NERFINISHED ⓘ Princess Kazuko NERFINISHED ⓘ Princess Shigeko NERFINISHED ⓘ Princess Takako NERFINISHED ⓘ |
| spouse | Takamasa Ikeda 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: Princess Atsuko Ikeda Description of subject: Princess Atsuko Ikeda is a former member of the Japanese imperial family who became a commoner upon her marriage and is known as the third daughter of Emperor Shōwa (Hirohito) and Empress Kōjun.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.