Ii Naosuke
E376502
Ii Naosuke was a powerful late-Edo period Japanese daimyō and tairō (chief minister) of the Tokugawa shogunate, known for opening Japan to foreign powers and for his assassination in the Sakurada Gate Incident of 1860.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ii Naosuke canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3649693 — 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: Ii Naosuke Context triple: [Sakurada Gate, associatedWith, Ii Naosuke]
-
A.
Kido Takayoshi
Kido Takayoshi was a key Japanese statesman and one of the principal architects of the Meiji Restoration who helped modernize Japan’s political and social systems in the late 19th century.
-
B.
Kuroda Kiyotaka
Kuroda Kiyotaka was a Meiji-era Japanese statesman and former samurai who served as the second Prime Minister of Japan and played a key role in the early development of Hokkaido.
-
C.
Minami Jirō
Minami Jirō was a Japanese army general and colonial administrator best known for serving as Governor-General of Korea during Japan’s occupation in the early 20th century.
-
D.
Ōkubo Toshimichi
Ōkubo Toshimichi was a leading Meiji-era Japanese statesman and key architect of the modernization and centralization of Japan after the fall of the Tokugawa shogunate.
-
E.
Yamagata Aritomo
Yamagata Aritomo was a prominent Meiji-era Japanese military leader and statesman who helped modernize Japan’s army and twice served as Prime Minister.
- 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: Ii Naosuke Target entity description: Ii Naosuke was a powerful late-Edo period Japanese daimyō and tairō (chief minister) of the Tokugawa shogunate, known for opening Japan to foreign powers and for his assassination in the Sakurada Gate Incident of 1860.
-
A.
Kido Takayoshi
Kido Takayoshi was a key Japanese statesman and one of the principal architects of the Meiji Restoration who helped modernize Japan’s political and social systems in the late 19th century.
-
B.
Kuroda Kiyotaka
Kuroda Kiyotaka was a Meiji-era Japanese statesman and former samurai who served as the second Prime Minister of Japan and played a key role in the early development of Hokkaido.
-
C.
Minami Jirō
Minami Jirō was a Japanese army general and colonial administrator best known for serving as Governor-General of Korea during Japan’s occupation in the early 20th century.
-
D.
Ōkubo Toshimichi
Ōkubo Toshimichi was a leading Meiji-era Japanese statesman and key architect of the modernization and centralization of Japan after the fall of the Tokugawa shogunate.
-
E.
Yamagata Aritomo
Yamagata Aritomo was a prominent Meiji-era Japanese military leader and statesman who helped modernize Japan’s army and twice served as Prime Minister.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese daimyō
ⓘ
historical figure ⓘ politician ⓘ samurai ⓘ tairō ⓘ |
| allegiance | Tokugawa shogunate ⓘ |
| assassinatedBy |
Mito domain samurai
ⓘ
anti-shogunate rōnin ⓘ |
| assassinatedIn | Sakurada Gate Incident ⓘ |
| birthDate | 1815-11-29 ⓘ |
| birthPlace |
Hikone Domain
ⓘ
Ōmi Province NERFINISHED ⓘ |
| causeOfDeath | assassination ⓘ |
| clan | Ii clan ⓘ |
| country | Japan ⓘ |
| culturalActivity | tea ceremony ⓘ |
| deathDate | 1860-03-24 ⓘ |
| deathPlace | Edo ⓘ |
| domainRuled | Hikone Domain ⓘ |
| era |
Bakumatsu period reforms
ⓘ
surface form:
Bakumatsu
|
| eraName |
Ansei
ⓘ
surface form:
Ansei era
|
| event |
Ansei Purge
ⓘ
Sakurada Gate Incident ⓘ |
| familyPosition | 14th head of the Ii clan ⓘ |
| government | Tokugawa shogunate ⓘ |
| knownAs | tea master ⓘ |
| knownFor |
Ansei Purge
ⓘ
Sakurada Gate Incident ⓘ opening Japan to foreign trade ⓘ signing the Harris Treaty ⓘ |
| language | Japanese ⓘ |
| office | tairō ⓘ |
| opposedBy |
Mito Domain
ⓘ
sonnō jōi activists ⓘ |
| period | late Edo period ⓘ |
| philosophy | pragmatic engagement with Western powers ⓘ |
| policy |
support for opening Japan to the West
ⓘ
suppression of political opponents ⓘ |
| predecessorAsDaimyoOfHikone | Ii Naoaki ⓘ |
| religion | Buddhism ⓘ |
| roleInSuccession | decided shogunal succession in favor of Tokugawa Iemochi ⓘ |
| signedTreaty |
Harris Treaty of 1858
ⓘ
surface form:
Harris Treaty
Treaty of Amity and Commerce between the United States and Japan ⓘ |
| successorAsDaimyoOfHikone |
Ii Naoaki
ⓘ
surface form:
Ii Naonori
|
| supported | Tokugawa Iemochi ⓘ |
| title |
daimyō of Hikone
ⓘ
tairō of the Tokugawa shogunate ⓘ |
| wrote | treatises on tea ceremony ⓘ |
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: Ii Naosuke Description of subject: Ii Naosuke was a powerful late-Edo period Japanese daimyō and tairō (chief minister) of the Tokugawa shogunate, known for opening Japan to foreign powers and for his assassination in the Sakurada Gate Incident of 1860.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.