Setsuko Matsudaira
E469269
Setsuko Matsudaira was a Japanese princess and member of the imperial family as the wife of Prince Chichibu, Emperor Hirohito’s younger brother.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Setsuko Matsudaira canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4708494 — 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: Setsuko Matsudaira Context triple: [Prince Chichibu, spouse, Setsuko Matsudaira]
-
A.
Yoshiko Ikeda
Yoshiko Ikeda was the wife of former Japanese Prime Minister Hayato Ikeda and served as Japan’s First Lady during his tenure in the early 1960s.
-
B.
Toshiko Sato
Toshiko Sato is a brilliant and introverted technical expert and doctor in the British science-fiction series Torchwood, known for her skills in alien technology and her emotional depth.
-
C.
Yumiko Fukushima
Yumiko Fukushima is a Japanese former television announcer best known as the wife of baseball star Ichiro Suzuki.
-
D.
Yoshiko Kishi
Yoshiko Kishi was the wife of former Japanese Prime Minister Nobusuke Kishi and the matriarch of a prominent political family that includes former Prime Minister Shinzo Abe.
-
E.
Fumiko Homma
Fumiko Homma was the wife of Japanese General Masaharu Homma, who commanded Imperial Japanese forces in the Philippines during World War II.
- 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: Setsuko Matsudaira Target entity description: Setsuko Matsudaira was a Japanese princess and member of the imperial family as the wife of Prince Chichibu, Emperor Hirohito’s younger brother.
-
A.
Yoshiko Ikeda
Yoshiko Ikeda was the wife of former Japanese Prime Minister Hayato Ikeda and served as Japan’s First Lady during his tenure in the early 1960s.
-
B.
Toshiko Sato
Toshiko Sato is a brilliant and introverted technical expert and doctor in the British science-fiction series Torchwood, known for her skills in alien technology and her emotional depth.
-
C.
Yumiko Fukushima
Yumiko Fukushima is a Japanese former television announcer best known as the wife of baseball star Ichiro Suzuki.
-
D.
Yoshiko Kishi
Yoshiko Kishi was the wife of former Japanese Prime Minister Nobusuke Kishi and the matriarch of a prominent political family that includes former Prime Minister Shinzo Abe.
-
E.
Fumiko Homma
Fumiko Homma was the wife of Japanese General Masaharu Homma, who commanded Imperial Japanese forces in the Philippines during World War II.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese princess
ⓘ
member of the Japanese imperial family ⓘ noblewoman ⓘ |
| afterHusbandDeathRole | patron of cultural and charitable activities ⓘ |
| alsoKnownAs |
Princess Chichibu Setsuko
NERFINISHED
ⓘ
Princess Setsuko NERFINISHED ⓘ |
| aristocraticTitleBeforeMarriage | Viscountess Setsuko Matsudaira NERFINISHED ⓘ |
| associatedWith | Prince Chichibu residence in Akasaka NERFINISHED ⓘ |
| birthDate | 1909-09-09 ⓘ |
| birthPlace | Tokyo, Japan NERFINISHED ⓘ |
| burialPlace | Toshimagaoka Imperial Cemetery NERFINISHED ⓘ |
| causeOfHusbandDeath | tuberculosis ⓘ |
| countryOfCitizenship | Japan ⓘ |
| deathDate | 1995-08-25 ⓘ |
| deathPlace | Tokyo, Japan NERFINISHED ⓘ |
| education | Gakushuin School for Girls NERFINISHED ⓘ |
| era | Shōwa period NERFINISHED ⓘ |
| familyName | Matsudaira NERFINISHED ⓘ |
| father | Tsuneo Matsudaira NERFINISHED ⓘ |
| fatherOccupation | diplomat ⓘ |
| fatherPosition | Japanese ambassador to the United States ⓘ |
| gender | female ⓘ |
| givenName | Setsuko NERFINISHED ⓘ |
| hadNoChildren | true ⓘ |
| honor | Order of the Precious Crown NERFINISHED ⓘ |
| householdRole | member of the Chichibu-no-miya household ⓘ |
| husbandDeathDate | 1953-01-04 ⓘ |
| husbandSibling | Emperor Hirohito NERFINISHED ⓘ |
| languageSpoken |
English
ⓘ
Japanese ⓘ |
| livedAbroadAsChild | United States NERFINISHED ⓘ |
| marriageDate | 1928-09-28 ⓘ |
| memberOf | Japanese imperial family NERFINISHED ⓘ |
| mother | Nobu Matsudaira NERFINISHED ⓘ |
| nameInJapanese | 松平節子 NERFINISHED ⓘ |
| nobleFamily |
Imperial House of Japan
NERFINISHED
ⓘ
Matsudaira clan NERFINISHED ⓘ |
| notableFor |
being the wife of Prince Chichibu
ⓘ
role in prewar and postwar Japanese court life ⓘ |
| notableRelative | Emperor Hirohito NERFINISHED ⓘ |
| religion | Shinto ⓘ |
| residence | Akasaka, Tokyo NERFINISHED ⓘ |
| siblingInLaw | Emperor Hirohito NERFINISHED ⓘ |
| spouse | Prince Chichibu NERFINISHED ⓘ |
| title | Princess Chichibu 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: Setsuko Matsudaira Description of subject: Setsuko Matsudaira was a Japanese princess and member of the imperial family as the wife of Prince Chichibu, Emperor Hirohito’s younger brother.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.