Ōuchi clan
E612457
The Ōuchi clan was a powerful samurai family of western Japan that dominated trade, politics, and culture in the Chūgoku region during the Muromachi period.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ōuchi clan canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6656606 — 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: Ōuchi clan Context triple: [Chōshū Domain, formerRulingClan, Ōuchi clan]
-
A.
Maeda clan
The Maeda clan was a powerful samurai family of the Sengoku and Edo periods, best known as one of the wealthiest and most influential daimyo houses under the Tokugawa shogunate.
-
B.
Yamato clan
The Yamato clan was the dominant ruling family of early Japan that laid the foundations of the imperial line and centralized state during the formative centuries of Japanese history.
-
C.
Mōri clan
The Mōri clan was a powerful samurai family that rose to prominence as daimyō in western Honshu during Japan’s Sengoku and Edo periods, playing a major role in regional politics and military affairs.
-
D.
Matsudaira clan
The Matsudaira clan was a prominent samurai family of Japan’s Sengoku and early Edo periods, best known as the ancestral house of Tokugawa Ieyasu and the Tokugawa shogunate.
-
E.
Toyotomi clan
The Toyotomi clan was a powerful Japanese samurai family that rose to prominence in the late 16th century under Toyotomi Hideyoshi, who unified much of Japan before the Tokugawa shogunate.
- 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: Ōuchi clan Target entity description: The Ōuchi clan was a powerful samurai family of western Japan that dominated trade, politics, and culture in the Chūgoku region during the Muromachi period.
-
A.
Maeda clan
The Maeda clan was a powerful samurai family of the Sengoku and Edo periods, best known as one of the wealthiest and most influential daimyo houses under the Tokugawa shogunate.
-
B.
Yamato clan
The Yamato clan was the dominant ruling family of early Japan that laid the foundations of the imperial line and centralized state during the formative centuries of Japanese history.
-
C.
Mōri clan
The Mōri clan was a powerful samurai family that rose to prominence as daimyō in western Honshu during Japan’s Sengoku and Edo periods, playing a major role in regional politics and military affairs.
-
D.
Matsudaira clan
The Matsudaira clan was a prominent samurai family of Japan’s Sengoku and early Edo periods, best known as the ancestral house of Tokugawa Ieyasu and the Tokugawa shogunate.
-
E.
Toyotomi clan
The Toyotomi clan was a powerful Japanese samurai family that rose to prominence in the late 16th century under Toyotomi Hideyoshi, who unified much of Japan before the Tokugawa shogunate.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese clan
ⓘ
samurai clan ⓘ |
| alliedWith | Ashikaga shogunate NERFINISHED ⓘ |
| baseOfOperations |
Suō Province
NERFINISHED
ⓘ
Yamaguchi NERFINISHED ⓘ |
| capitalCityUnderControl | Yamaguchi NERFINISHED ⓘ |
| claimedAncestryFrom |
Baekje
NERFINISHED
ⓘ
Kudara (Baekje) royal family NERFINISHED ⓘ |
| competedWith |
Amago clan
NERFINISHED
ⓘ
Hosokawa clan NERFINISHED ⓘ Mōri clan NERFINISHED ⓘ |
| country | Japan ⓘ |
| culturalCenter | Yamaguchi city NERFINISHED ⓘ |
| declineEvent | Ōuchi Yoshitaka’s death in 1551 ⓘ |
| destroyedBy | Sue Harukata NERFINISHED ⓘ |
| dominantIn | Chūgoku region NERFINISHED ⓘ |
| engagedIn |
maritime trade in East Asia
ⓘ
tribute trade with Ming dynasty ⓘ |
| ethnicity | Japanese ⓘ |
| flourishedInCentury |
15th century
ⓘ
early 16th century ⓘ |
| heldTitle |
shugo of Nagato Province
ⓘ
shugo of Suō Province ⓘ |
| historicalStatus | one of the most powerful clans of western Japan during the Muromachi period ⓘ |
| influencedDomain |
culture in western Japan
ⓘ
politics of western Japan ⓘ trade in western Japan ⓘ |
| knownFor |
control of Seto Inland Sea trade
ⓘ
overseas trade with Ming China ⓘ patronage of culture ⓘ patronage of painters and poets ⓘ support of Zen Buddhism ⓘ |
| language | Japanese ⓘ |
| notableLeader |
Ōuchi Masahiro
NERFINISHED
ⓘ
Ōuchi Yoshihiro NERFINISHED ⓘ Ōuchi Yoshioki NERFINISHED ⓘ Ōuchi Yoshitaka NERFINISHED ⓘ |
| patronized |
Sesshū Tōyō
NERFINISHED
ⓘ
court culture in Yamaguchi ⓘ |
| politicalRole |
powerful retainer of the Ashikaga shogunate
ⓘ
shugo daimyo ⓘ |
| region | Chūgoku region NERFINISHED ⓘ |
| socialClass | buke (warrior class) ⓘ |
| succeededBy | Mōri clan in western Japan NERFINISHED ⓘ |
| timePeriod | Muromachi period 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: Ōuchi clan Description of subject: The Ōuchi clan was a powerful samurai family of western Japan that dominated trade, politics, and culture in the Chūgoku region during the Muromachi period.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.