Kobayakawa Hideaki
E613014
Kobayakawa Hideaki was a late Sengoku-period Japanese daimyō best known for his pivotal betrayal at the Battle of Sekigahara, which helped secure Tokugawa Ieyasu’s victory and the establishment of the Tokugawa shogunate.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Kobayakawa Hideaki canonical | 9 |
| Kobayakawa | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6542651 — 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: Kobayakawa Hideaki Context triple: [Battle of Sekigahara, commander, Kobayakawa Hideaki]
-
A.
Kuribayashi Taro
Kuribayashi Taro is the son of Japanese General Tadamichi Kuribayashi, the famed commander of Japanese forces during the World War II Battle of Iwo Jima.
-
B.
Katō Tomosaburō
Katō Tomosaburō was a prominent early 20th-century Japanese naval officer and statesman who rose to become a leading admiral and later served as Prime Minister of Japan.
-
C.
Shigenobu
Shigenobu is a Japanese given name notably borne by Ōkuma Shigenobu, a prominent Meiji-era statesman and former Prime Minister of Japan.
-
D.
Kabayama Sukenori
Kabayama Sukenori was a Japanese naval officer and statesman of the Meiji era who became the first Japanese colonial administrator of Taiwan following its cession from Qing China.
-
E.
Hiroyuki Sanada
Hiroyuki Sanada is a Japanese actor renowned for his versatile performances in both Japanese cinema and international films and television series.
- 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: Kobayakawa Hideaki Target entity description: Kobayakawa Hideaki was a late Sengoku-period Japanese daimyō best known for his pivotal betrayal at the Battle of Sekigahara, which helped secure Tokugawa Ieyasu’s victory and the establishment of the Tokugawa shogunate.
-
A.
Kuribayashi Taro
Kuribayashi Taro is the son of Japanese General Tadamichi Kuribayashi, the famed commander of Japanese forces during the World War II Battle of Iwo Jima.
-
B.
Katō Tomosaburō
Katō Tomosaburō was a prominent early 20th-century Japanese naval officer and statesman who rose to become a leading admiral and later served as Prime Minister of Japan.
-
C.
Shigenobu
Shigenobu is a Japanese given name notably borne by Ōkuma Shigenobu, a prominent Meiji-era statesman and former Prime Minister of Japan.
-
D.
Kabayama Sukenori
Kabayama Sukenori was a Japanese naval officer and statesman of the Meiji era who became the first Japanese colonial administrator of Taiwan following its cession from Qing China.
-
E.
Hiroyuki Sanada
Hiroyuki Sanada is a Japanese actor renowned for his versatile performances in both Japanese cinema and international films and television series.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese daimyō
ⓘ
Sengoku-period person ⓘ samurai ⓘ |
| adoptedBy | Toyotomi Hideyoshi ⓘ |
| adoptedIntoClan | Kobayakawa clan ⓘ |
| allegianceShift | from Toyotomi camp to Tokugawa camp ⓘ |
| battle |
Battle of Sekigahara
ⓘ
Korean invasions of Japan (Imjin War) ⓘ
linked to:
Japanese invasions of Korea (1592–1598)
|
| betrayed |
Ishida Mitsunari
ⓘ
Western Army at Sekigahara ⓘ
linked to:
Western Army (Battle of Sekigahara)
|
| birthYear | 1577 ⓘ |
| commandedTroopsAt | Battle of Sekigahara ⓘ |
| consequenceOfActions |
contributed to establishment of Tokugawa shogunate
ⓘ
helped secure Tokugawa victory at Sekigahara ⓘ |
| countryOfCitizenship | Japan ⓘ |
| deathCause | illness ⓘ |
| deathYear | 1602 ⓘ |
| domain | Okayama Domain ⓘ |
| era |
Azuchi–Momoyama period
ⓘ
late Sengoku period ⓘ |
| familyName |
Kobayakawa
ⓘ
linked to:
Kobayakawa Hideaki
|
| father | Kinoshita Iesada ⓘ |
| givenName | Hideaki ⓘ |
| heldTitle |
daimyō of Bizen Province
ⓘ
daimyō of Mimasaka Province ⓘ |
| historicalPeriod | transition from Toyotomi rule to Tokugawa shogunate ⓘ |
| historicalReputation | notorious traitor at Sekigahara ⓘ |
| loyaltyConflict | Toyotomi vs Tokugawa ⓘ |
| militaryRole | commander of infantry ⓘ |
| notableFor |
betrayal at the Battle of Sekigahara
ⓘ
role in establishment of the Tokugawa shogunate ⓘ |
| postSekigaharaReward | expanded domains in Bizen and Mimasaka ⓘ |
| rank | daimyō ⓘ |
| regionOfRule | Chūgoku region ⓘ |
| relatedTo | Toyotomi Hideyoshi ⓘ |
| servedClan |
Kobayakawa clan
ⓘ
Toyotomi clan ⓘ |
| servedUnder |
Tokugawa Ieyasu
ⓘ
Toyotomi Hideyoshi ⓘ |
| sideInBattleOfSekigahara |
initially Western Army
ⓘ
later Eastern Army ⓘ |
| supported | Tokugawa Ieyasu at Sekigahara ⓘ |
| turnedAgainst |
Western Army forces on Mount Matsuo
ⓘ
Ōtani Yoshitsugu ⓘ |
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: Kobayakawa Hideaki Description of subject: Kobayakawa Hideaki was a late Sengoku-period Japanese daimyō best known for his pivotal betrayal at the Battle of Sekigahara, which helped secure Tokugawa Ieyasu’s victory and the establishment of the Tokugawa shogunate.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.