Princess Sayako
E580795
Princess Sayako is the only daughter of Emperor Emeritus Akihito and Empress Emerita Michiko of Japan, known for relinquishing her imperial status upon marrying a commoner.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Princess Sayako canonical | 1 |
| Sayako, Princess Nori | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5968035 — 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 Sayako Context triple: [Prince Hitachi, relative, Princess Sayako]
-
A.
Princess Takako
Princess Takako is a Japanese imperial family member and daughter of Emperor Hirohito, known for her role in Japan’s modern royal lineage.
-
B.
Princess Takamado
Princess Takamado is a member of the Japanese Imperial Family known for her extensive work in cultural exchange, sports promotion, and international goodwill activities.
-
C.
Princess Sachiko
Princess Sachiko was a short-lived Japanese imperial princess, the daughter of Emperor Shōwa (Hirohito) and Empress Kōjun.
-
D.
Princess Atsuko
Princess Atsuko is a member of the Japanese Imperial Family and the sister of Prince Masahito, known formally as Prince Hitachi.
-
E.
Princess Atsuko
Princess Atsuko is a Japanese imperial family member, the daughter of Emperor Hirohito, who became known as Princess Yori before marrying into the Takamado 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 Sayako Target entity description: Princess Sayako is the only daughter of Emperor Emeritus Akihito and Empress Emerita Michiko of Japan, known for relinquishing her imperial status upon marrying a commoner.
-
A.
Princess Takako
Princess Takako is a Japanese imperial family member and daughter of Emperor Hirohito, known for her role in Japan’s modern royal lineage.
-
B.
Princess Takamado
Princess Takamado is a member of the Japanese Imperial Family known for her extensive work in cultural exchange, sports promotion, and international goodwill activities.
-
C.
Princess Sachiko
Princess Sachiko was a short-lived Japanese imperial princess, the daughter of Emperor Shōwa (Hirohito) and Empress Kōjun.
-
D.
Princess Atsuko
Princess Atsuko is a member of the Japanese Imperial Family and the sister of Prince Masahito, known formally as Prince Hitachi.
-
E.
Princess Atsuko
Princess Atsuko is a Japanese imperial family member, the daughter of Emperor Hirohito, who became known as Princess Yori before marrying into the Takamado family.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | former Japanese princess ⓘ |
| academicDegree | bachelor’s degree in Japanese language and literature ⓘ |
| almaMater | Gakushuin University Faculty of Letters NERFINISHED ⓘ |
| associatedWith |
Imperial Household Agency
NERFINISHED
ⓘ
Ise Grand Shrine NERFINISHED ⓘ |
| birthName | Sayako NERFINISHED ⓘ |
| child | Yoshiki Kuroda’s son (name not widely publicized) ⓘ |
| countryOfCitizenship | Japan ⓘ |
| dateOfBirth | 1969-04-18 ⓘ |
| dateOfMarriage | 2005-11-15 ⓘ |
| educatedAt | Gakushuin University NERFINISHED ⓘ |
| ethnicGroup | Japanese ⓘ |
| familyName | Aikawa NERFINISHED ⓘ |
| father | Emperor Emeritus Akihito NERFINISHED ⓘ |
| fieldOfStudy | Ornithology ⓘ |
| givenName | Sayako NERFINISHED ⓘ |
| honorificPrefix | Her Imperial Highness ⓘ |
| householdTransition | left Imperial Household upon marriage in 2005 ⓘ |
| languageSpoken | Japanese ⓘ |
| legalStatusChange | lost imperial title under Imperial Household Law upon marriage ⓘ |
| maritalStatus | married ⓘ |
| memberOf | House of Yamato NERFINISHED ⓘ |
| mother | Empress Emerita Michiko NERFINISHED ⓘ |
| nativeLanguage | Japanese ⓘ |
| nobleTitleEnd | 2005-11-15 ⓘ |
| notableFor |
only daughter of Emperor Emeritus Akihito and Empress Emerita Michiko
ⓘ
relinquishing imperial status upon marriage to a commoner ⓘ |
| occupation | ornithologist ⓘ |
| placeOfBirth | Tokyo, Japan NERFINISHED ⓘ |
| placeOfMarriage | Tokyo, Japan NERFINISHED ⓘ |
| positionHeld | Shinto priestess ⓘ |
| predecessorInRole | Princess Takamatsu (as unmarried imperial princess of her generation) NERFINISHED ⓘ |
| religion | Shinto ⓘ |
| religiousOffice | high priestess of the Ise Grand Shrine ⓘ |
| researchInterest | birdlife in the Imperial Palace grounds ⓘ |
| residence | Tokyo, Japan NERFINISHED ⓘ |
| residenceAfterMarriage | Tokyo, Japan (Kuroda family home) NERFINISHED ⓘ |
| sexOrGender | female ⓘ |
| sibling |
Crown Prince Fumihito
NERFINISHED
ⓘ
Prince Naruhito NERFINISHED ⓘ |
| spouse | Yoshiki Kuroda NERFINISHED ⓘ |
| startTime | 2012 (as high priestess of Ise Grand Shrine) ⓘ |
| style |
Her Imperial Highness Princess Nori (before marriage)
NERFINISHED
ⓘ
Mrs. Yoshiki Kuroda (after marriage) NERFINISHED ⓘ |
| title | Princess Nori NERFINISHED ⓘ |
| workLocation | Tokyo Metropolitan Government (as civil servant after marriage) 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 Sayako Description of subject: Princess Sayako is the only daughter of Emperor Emeritus Akihito and Empress Emerita Michiko of Japan, known for relinquishing her imperial status upon marrying a commoner.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Princess Nori
this entity surface form:
Sayako, Princess Nori