Tokugawa Tadanaga
E689460
Tokugawa Tadanaga was a Tokugawa shogunate-era Japanese daimyō and younger brother of shōgun Tokugawa Iemitsu, known for his tragic downfall in early Edo-period succession struggles.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Tokugawa Tadanaga canonical | 4 |
| 徳川忠長 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7709991 — 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: Tokugawa Tadanaga Context triple: [Tokugawa Hidetada, child, Tokugawa Tadanaga]
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A.
Tokugawa Yorinobu
Tokugawa Yorinobu was a powerful early Edo-period daimyō of the Tokugawa clan, best known as the first lord of the Kii Domain and a key figure in consolidating Tokugawa rule in western Japan.
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B.
Tokugawa Yorifusa
Tokugawa Yorifusa was a prominent early Edo-period Japanese daimyō and founder of the Mito branch of the Tokugawa clan.
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C.
Tokugawa Iemitsu
Tokugawa Iemitsu was the third shogun of the Tokugawa dynasty in Japan, known for consolidating shogunal power, enforcing national seclusion (sakoku), and strengthening centralized rule during the early Edo period.
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D.
Tokugawa Hidetada
Tokugawa Hidetada was the second shogun of Japan’s Tokugawa shogunate, who consolidated his father Ieyasu’s rule and oversaw the early Edo period.
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E.
Tokugawa Sen
Tokugawa Sen was a Japanese noblewoman of the early Edo period, known as the daughter of shogun Tokugawa Hidetada and for her politically significant marriage into the Toyotomi clan.
- 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: Tokugawa Tadanaga Target entity description: Tokugawa Tadanaga was a Tokugawa shogunate-era Japanese daimyō and younger brother of shōgun Tokugawa Iemitsu, known for his tragic downfall in early Edo-period succession struggles.
-
A.
Tokugawa Yorinobu
Tokugawa Yorinobu was a powerful early Edo-period daimyō of the Tokugawa clan, best known as the first lord of the Kii Domain and a key figure in consolidating Tokugawa rule in western Japan.
-
B.
Tokugawa Yorifusa
Tokugawa Yorifusa was a prominent early Edo-period Japanese daimyō and founder of the Mito branch of the Tokugawa clan.
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C.
Tokugawa Iemitsu
Tokugawa Iemitsu was the third shogun of the Tokugawa dynasty in Japan, known for consolidating shogunal power, enforcing national seclusion (sakoku), and strengthening centralized rule during the early Edo period.
-
D.
Tokugawa Hidetada
Tokugawa Hidetada was the second shogun of Japan’s Tokugawa shogunate, who consolidated his father Ieyasu’s rule and oversaw the early Edo period.
-
E.
Tokugawa Sen
Tokugawa Sen was a Japanese noblewoman of the early Edo period, known as the daughter of shogun Tokugawa Hidetada and for her politically significant marriage into the Toyotomi clan.
- F. None of above. chosen
Statements (45)
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: Tokugawa Tadanaga Description of subject: Tokugawa Tadanaga was a Tokugawa shogunate-era Japanese daimyō and younger brother of shōgun Tokugawa Iemitsu, known for his tragic downfall in early Edo-period succession struggles.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Tokugawa Tadanaga