Prince Mikasa
E107733
Prince Mikasa was a Japanese imperial prince and younger brother of Emperor Shōwa, known for his military service and later advocacy for peace and historical reflection on Japan’s wartime actions.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Prince Mikasa canonical | 12 |
| Prince Takahito, Prince Mikasa | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T855598 — 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: Prince Mikasa Context triple: [Emperor Taishō, child, Prince Mikasa]
-
A.
Prince Chichibu
Prince Chichibu was a Japanese imperial prince, the second son of Emperor Taishō, known for his military career and role in pre-World War II Japan.
-
B.
Prince Fushimi Hiroyasu
Prince Fushimi Hiroyasu was a Japanese imperial family member and senior naval officer who rose to become one of the highest-ranking leaders of the Imperial Japanese Navy in the early 20th century.
-
C.
Prince Asaka Yasuhiko
Prince Asaka Yasuhiko was a Japanese imperial family member and army general who played a leading role in Japan’s military operations in China during the Second Sino-Japanese War, including the atrocities committed at Nanjing.
-
D.
Prince Takamatsu
Prince Takamatsu was a Japanese imperial prince and naval officer, known as the third son of Emperor Taishō and for his involvement in political and military affairs before and during World War II.
-
E.
Fumihito
Fumihito is the Crown Prince of Japan and younger son of Emperor Emeritus Akihito, serving as first in line to the Chrysanthemum Throne.
- 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: Prince Mikasa Target entity description: Prince Mikasa was a Japanese imperial prince and younger brother of Emperor Shōwa, known for his military service and later advocacy for peace and historical reflection on Japan’s wartime actions.
-
A.
Prince Chichibu
Prince Chichibu was a Japanese imperial prince, the second son of Emperor Taishō, known for his military career and role in pre-World War II Japan.
-
B.
Prince Fushimi Hiroyasu
Prince Fushimi Hiroyasu was a Japanese imperial family member and senior naval officer who rose to become one of the highest-ranking leaders of the Imperial Japanese Navy in the early 20th century.
-
C.
Prince Asaka Yasuhiko
Prince Asaka Yasuhiko was a Japanese imperial family member and army general who played a leading role in Japan’s military operations in China during the Second Sino-Japanese War, including the atrocities committed at Nanjing.
-
D.
Prince Takamatsu
Prince Takamatsu was a Japanese imperial prince and naval officer, known as the third son of Emperor Taishō and for his involvement in political and military affairs before and during World War II.
-
E.
Fumihito
Fumihito is the Crown Prince of Japan and younger son of Emperor Emeritus Akihito, serving as first in line to the Chrysanthemum Throne.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese imperial prince
ⓘ
member of the Imperial House of Japan ⓘ younger brother of a monarch ⓘ |
| advocated |
critical examination of Japan’s wartime conduct
ⓘ
peace and reconciliation in East Asia ⓘ |
| associatedWith |
Imperial Household Agency
ⓘ
surface form:
Imperial Household Agency of Japan
Imperial court of Japan (historically) ⓘ
surface form:
Japanese imperial court
|
| citizenship |
Japan
ⓘ
surface form:
Empire of Japan
Japan ⓘ
surface form:
State of Japan
|
| countryOfCitizenship | Japan ⓘ |
| culturalContext | Japanese royalty ⓘ |
| era |
Showa era
ⓘ
surface form:
Shōwa period
|
| familyName | Yamashina-no-miya (Mikasa-no-miya branch) ⓘ |
| fullName | Takahito ⓘ |
| gender | male ⓘ |
| givenName | Takahito ⓘ |
| hasRole | younger brother of Emperor Shōwa ⓘ |
| historicalRole |
postwar voice for peace within the imperial family
ⓘ
witness to Japan’s militarist era and postwar transformation ⓘ |
| knownFor |
publicly addressing Japanese war responsibility
ⓘ
supporting postwar pacifism ⓘ |
| languageSpoken | Japanese ⓘ |
| memberOf | Mikasa-no-miya household ⓘ |
| militaryBranch | Imperial Japanese Army ⓘ |
| militaryRank | officer ⓘ |
| movement | peace advocacy ⓘ |
| nobleTitle | prince of Japan ⓘ |
| notableFor |
advocacy for peace
ⓘ
calling for historical reflection on Japan’s wartime actions ⓘ military service during the Shōwa era ⓘ |
| occupation |
member of the Japanese imperial family
ⓘ
military officer ⓘ |
| partOf |
Imperial House of Japan
ⓘ
surface form:
Japanese imperial family
|
| positionHeld | officer in the Imperial Japanese Army ⓘ |
| relative |
Emperor Taishō
ⓘ
Empress Teimei ⓘ |
| residence | Japan ⓘ |
| royalHouse | House of Yamato ⓘ |
| sibling |
Emperor Hirohito
ⓘ
surface form:
Emperor Shōwa
|
| siblingOfMonarch |
Emperor Hirohito
ⓘ
surface form:
Emperor Shōwa
|
| title |
Mikasa-no-miya Takahito Shinnō
ⓘ
Prince Mikasa self-link ⓘ |
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: Prince Mikasa Description of subject: Prince Mikasa was a Japanese imperial prince and younger brother of Emperor Shōwa, known for his military service and later advocacy for peace and historical reflection on Japan’s wartime actions.
Referenced by (14)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Prince Takahito, Prince Mikasa
this entity surface form:
Prince Takahito, Prince Mikasa