Yamana clan
E948828
The Yamana clan was a powerful Japanese samurai family that rose to prominence in the Muromachi period, playing a central role in the conflicts that led to the Ōnin War and the ensuing Sengoku era.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Yamana clan canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11749570 — 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: Yamana clan Context triple: [Ōnin War, belligerent, Yamana clan]
-
A.
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.
-
B.
Ikeda clan
The Ikeda clan was a powerful Japanese samurai family that rose to prominence as feudal lords (daimyō) during the Sengoku and Edo periods.
-
C.
Azai clan
The Azai clan was a prominent samurai family of Japan’s Sengoku period, known for its rule over northern Ōmi Province and its eventual destruction by Oda Nobunaga.
-
D.
Ōtomo clan
The Ōtomo clan was an influential aristocratic family in ancient Japan, prominent in court politics and early Japanese literature.
-
E.
Ōuchi clan
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.
- 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: Yamana clan Target entity description: The Yamana clan was a powerful Japanese samurai family that rose to prominence in the Muromachi period, playing a central role in the conflicts that led to the Ōnin War and the ensuing Sengoku era.
-
A.
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.
-
B.
Ikeda clan
The Ikeda clan was a powerful Japanese samurai family that rose to prominence as feudal lords (daimyō) during the Sengoku and Edo periods.
-
C.
Azai clan
The Azai clan was a prominent samurai family of Japan’s Sengoku period, known for its rule over northern Ōmi Province and its eventual destruction by Oda Nobunaga.
-
D.
Ōtomo clan
The Ōtomo clan was an influential aristocratic family in ancient Japan, prominent in court politics and early Japanese literature.
-
E.
Ōuchi clan
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.
- F. None of above. chosen
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese clan
ⓘ
samurai ⓘ samurai ⓘ samurai clan ⓘ |
| activePeriod |
Muromachi period
NERFINISHED
ⓘ
Sengoku period NERFINISHED ⓘ |
| alliedWith |
Hatakeyama clan
NERFINISHED
ⓘ
Shiba clan NERFINISHED ⓘ |
| baseAfterSengoku | Tottori Domain NERFINISHED ⓘ |
| claimedDescentFrom |
Nitta clan
NERFINISHED
ⓘ
Seiwa Genji NERFINISHED ⓘ |
| country | Japan ⓘ |
| declineBeganAfter | Ōnin War NERFINISHED ⓘ |
| domainInEdoPeriod | Tottori Domain NERFINISHED ⓘ |
| ethnicity | Japanese ⓘ |
| family |
Yamana clan
NERFINISHED
ⓘ
Yamana clan NERFINISHED ⓘ |
| founder | Yamana Tokiuji NERFINISHED ⓘ |
| governedRegion |
Aki Province
NERFINISHED
ⓘ
Bitchū Province NERFINISHED ⓘ Bizen Province NERFINISHED ⓘ Bungo Province NERFINISHED ⓘ Higo Province NERFINISHED ⓘ Hizen Province NERFINISHED ⓘ Hōki Province NERFINISHED ⓘ Iga Province NERFINISHED ⓘ Inaba Province NERFINISHED ⓘ Iyo Province NERFINISHED ⓘ Izumo Province NERFINISHED ⓘ Mimasaka Province NERFINISHED ⓘ Nagato Province NERFINISHED ⓘ Oki Province NERFINISHED ⓘ Tajima Province NERFINISHED ⓘ Tamba Province NERFINISHED ⓘ |
| heldNumberOfProvincesAtPeak | 11 ⓘ |
| heldTitle | shugo ⓘ |
| involvedInConflict |
Sengoku period conflicts
ⓘ
Ōnin War NERFINISHED ⓘ |
| leaderDuringOninWar | Yamana Sōzen NERFINISHED ⓘ |
| lostPowerTo |
Amago clan
NERFINISHED
ⓘ
Mōri clan NERFINISHED ⓘ |
| nickname | Lord of One-Third of Japan NERFINISHED ⓘ |
| notableMember |
Yamana Sōzen
NERFINISHED
ⓘ
Yamana Tokiuji NERFINISHED ⓘ |
| opposedClanInOninWar | Hosokawa clan NERFINISHED ⓘ |
| originProvince | Tajima Province NERFINISHED ⓘ |
| peakPowerApproximateYear | circa 1441 ⓘ |
| playedCentralRoleIn | Ōnin War NERFINISHED ⓘ |
| politicalStatus | shugo daimyo ⓘ |
| roseToProminenceIn | Muromachi period NERFINISHED ⓘ |
| statusInEdoPeriod | tozama daimyo NERFINISHED ⓘ |
| supportedSideInNanbokuCho | Southern Court GENERATED ⓘ |
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: Yamana clan Description of subject: The Yamana clan was a powerful Japanese samurai family that rose to prominence in the Muromachi period, playing a central role in the conflicts that led to the Ōnin War and the ensuing Sengoku era.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.