Fujiwara no Mototsune
E445708
Fujiwara no Mototsune was a powerful Heian-period Japanese court noble of the Fujiwara clan who dominated imperial politics and helped establish the regency system that shaped the era’s government.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Fujiwara no Mototsune canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T4446979 — 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: Fujiwara no Mototsune Context triple: [Daijō-daijin, notableOfficeHolder, Fujiwara no Mototsune]
-
A.
Fujiwara no Kamatari
Fujiwara no Kamatari was a 7th-century Japanese statesman and court noble who co-founded the powerful Fujiwara clan and played a central role in the Taika Reforms that reshaped the imperial government.
-
B.
Fujiwara no Tametoki
Fujiwara no Tametoki was a Heian-period Japanese court noble and scholar best known as the father of the famed author Murasaki Shikibu.
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C.
Fujiwara no Michitaka
Fujiwara no Michitaka was a powerful Heian-period Japanese court noble and regent who led the Fujiwara clan before his more famous younger brother Fujiwara no Michinaga.
-
D.
Fujiwara no Tadamichi
Fujiwara no Tadamichi was a prominent late Heian-period court noble and regent of Japan who played a key political and military role in the power struggles between the imperial court and rising samurai clans.
-
E.
Fujiwara no Yorimichi
Fujiwara no Yorimichi was a powerful 11th-century Japanese court noble and regent who dominated Heian-period politics and famously sponsored the construction of the Byōdō-in temple at Uji.
- 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: Fujiwara no Mototsune Target entity description: Fujiwara no Mototsune was a powerful Heian-period Japanese court noble of the Fujiwara clan who dominated imperial politics and helped establish the regency system that shaped the era’s government.
-
A.
Fujiwara no Kamatari
Fujiwara no Kamatari was a 7th-century Japanese statesman and court noble who co-founded the powerful Fujiwara clan and played a central role in the Taika Reforms that reshaped the imperial government.
-
B.
Fujiwara no Tametoki
Fujiwara no Tametoki was a Heian-period Japanese court noble and scholar best known as the father of the famed author Murasaki Shikibu.
-
C.
Fujiwara no Michitaka
Fujiwara no Michitaka was a powerful Heian-period Japanese court noble and regent who led the Fujiwara clan before his more famous younger brother Fujiwara no Michinaga.
-
D.
Fujiwara no Tadamichi
Fujiwara no Tadamichi was a prominent late Heian-period court noble and regent of Japan who played a key political and military role in the power struggles between the imperial court and rising samurai clans.
-
E.
Fujiwara no Yorimichi
Fujiwara no Yorimichi was a powerful 11th-century Japanese court noble and regent who dominated Heian-period politics and famously sponsored the construction of the Byōdō-in temple at Uji.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Heian-period person
ⓘ
Japanese court noble ⓘ member of the Fujiwara clan ⓘ regent ⓘ |
| adoptiveFather | Fujiwara no Yoshifusa NERFINISHED ⓘ |
| birthYear | 836 ⓘ |
| burialPlace | Japan NERFINISHED ⓘ |
| clan | Fujiwara clan NERFINISHED ⓘ |
| country | Japan ⓘ |
| court | Imperial Court in Heian-kyō NERFINISHED ⓘ |
| courtRank | shō ichii ⓘ |
| deathCause | natural causes (presumed) ⓘ |
| deathYear | 891 ⓘ |
| era | Heian period NERFINISHED ⓘ |
| familyName | Fujiwara NERFINISHED ⓘ |
| father | Fujiwara no Nagara NERFINISHED ⓘ |
| gender | male ⓘ |
| givenName | Mototsune NERFINISHED ⓘ |
| helpedShape | Heian-period regency government ⓘ |
| historicalReputation | key architect of Fujiwara dominance at court ⓘ |
| influenced | Fujiwara no Tokihira NERFINISHED ⓘ |
| introducedOffice | kampaku ⓘ |
| language | Classical Japanese ⓘ |
| nobleFamily | Fujiwara Hokke NERFINISHED ⓘ |
| nobleTitle | kugyō ⓘ |
| notableFor |
dominating imperial politics
ⓘ
establishing the regency system in the Heian court ⓘ |
| politicalFaction | Fujiwara regent family NERFINISHED ⓘ |
| politicalPowerBase | Fujiwara regency NERFINISHED ⓘ |
| positionHeld |
daijō-daijin
ⓘ
kampaku ⓘ sadaijin ⓘ sesshō ⓘ udaijin ⓘ |
| regentFor |
Emperor Kōkō
NERFINISHED
ⓘ
Emperor Uda NERFINISHED ⓘ Emperor Yōzei NERFINISHED ⓘ |
| region | Heian-kyō NERFINISHED ⓘ |
| relative |
Fujiwara no Nagara
NERFINISHED
ⓘ
Fujiwara no Yoshifusa NERFINISHED ⓘ |
| servedUnderEmperor |
Emperor Kōkō
NERFINISHED
ⓘ
Emperor Seiwa NERFINISHED ⓘ Emperor Uda NERFINISHED ⓘ Emperor Yōzei NERFINISHED ⓘ |
| successor | Fujiwara no Tokihira 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: Fujiwara no Mototsune Description of subject: Fujiwara no Mototsune was a powerful Heian-period Japanese court noble of the Fujiwara clan who dominated imperial politics and helped establish the regency system that shaped the era’s government.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.