Ōmura Sumitada
E678245
Ōmura Sumitada was a 16th-century Japanese daimyō known as one of the first Christian feudal lords in Japan and for opening Nagasaki as a major port and center of Catholic missionary activity.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ōmura Sumitada canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7103929 — 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: Ōmura Sumitada Context triple: [Catholic community of Nagasaki, associatedWithPerson, Ōmura Sumitada]
-
A.
Hosokawa Tadaoki
Hosokawa Tadaoki was a Sengoku- and early Edo-period Japanese daimyō known for his military service under Oda Nobunaga and Toyotomi Hideyoshi and for his deep involvement in the tea ceremony culture.
-
B.
Toyotomi Hidenaga
Toyotomi Hidenaga was a prominent samurai commander and half-brother of Toyotomi Hideyoshi who played a key role in Japan’s unification during the late Sengoku period.
-
C.
Kuroda Nagamasa
Kuroda Nagamasa was a prominent late Sengoku and early Edo period Japanese daimyō, known for his military leadership, political acumen, and role in consolidating Tokugawa power.
-
D.
Toyotomi Tsurumatsu
Toyotomi Tsurumatsu was the short-lived son and heir of Japanese warlord Toyotomi Hideyoshi during the late Sengoku period.
-
E.
Mōri Terumoto
Mōri Terumoto was a powerful late-Sengoku and early Edo period daimyō who led the Mōri clan, served as one of Toyotomi Hideyoshi’s council of Five Elders, and later became the feudal lord of the Chōshū region.
- 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: Ōmura Sumitada Target entity description: Ōmura Sumitada was a 16th-century Japanese daimyō known as one of the first Christian feudal lords in Japan and for opening Nagasaki as a major port and center of Catholic missionary activity.
-
A.
Hosokawa Tadaoki
Hosokawa Tadaoki was a Sengoku- and early Edo-period Japanese daimyō known for his military service under Oda Nobunaga and Toyotomi Hideyoshi and for his deep involvement in the tea ceremony culture.
-
B.
Toyotomi Hidenaga
Toyotomi Hidenaga was a prominent samurai commander and half-brother of Toyotomi Hideyoshi who played a key role in Japan’s unification during the late Sengoku period.
-
C.
Kuroda Nagamasa
Kuroda Nagamasa was a prominent late Sengoku and early Edo period Japanese daimyō, known for his military leadership, political acumen, and role in consolidating Tokugawa power.
-
D.
Toyotomi Tsurumatsu
Toyotomi Tsurumatsu was the short-lived son and heir of Japanese warlord Toyotomi Hideyoshi during the late Sengoku period.
-
E.
Mōri Terumoto
Mōri Terumoto was a powerful late-Sengoku and early Edo period daimyō who led the Mōri clan, served as one of Toyotomi Hideyoshi’s council of Five Elders, and later became the feudal lord of the Chōshū region.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
Christian convert
ⓘ
Japanese daimyō ⓘ historical figure ⓘ |
| allowed | Jesuits to use Nagasaki as a base ⓘ |
| associatedWith | Society of Jesus ⓘ |
| associatedWithPlace | Nagasaki ⓘ |
| associatedWithReligion | Catholic Church in Japan ⓘ |
| centuryOfActivity | 16th century ⓘ |
| convertedTo |
Christianity
ⓘ
Roman Catholicism ⓘ |
| countryOfCitizenship | Japan ⓘ |
| culture |
Sengoku-period Japan
ⓘ
linked to:
Sengoku period
|
| era | Sengoku period ⓘ |
| ethnicGroup | Japanese ⓘ |
| familyName |
Ōmura
ⓘ
linked to:
Omura
|
| foreignRelations |
relations with Jesuit missionaries
ⓘ
relations with Portuguese traders ⓘ |
| givenName | Sumitada ⓘ |
| governed | territories around Nagasaki ⓘ |
| historicalSignificance |
key figure in early Nagasaki history
ⓘ
pioneer of Christian daimyō in Japan ⓘ |
| influenced | spread of Christianity in Kyushu ⓘ |
| knownForPolicy |
developing Nagasaki as a trading port
ⓘ
granting land and privileges to Jesuits ⓘ |
| legacy |
contributed to the growth of international trade in Nagasaki
ⓘ
established Nagasaki as a major Christian center in Japan ⓘ |
| notableEvent | formal opening of Nagasaki to foreign trade ⓘ |
| notableFor |
being one of the first Christian feudal lords in Japan
ⓘ
opening Nagasaki as a major port ⓘ supporting Catholic missionary activity ⓘ |
| occupation | daimyō ⓘ |
| openedPort | Nagasaki ⓘ |
| placeOfRule |
Hizen Province
NERFINISHED
ⓘ
Ōmura Domain ⓘ |
| positionHeld | lord of the Ōmura Domain ⓘ |
| regionOfInfluence |
Hizen Province
NERFINISHED
ⓘ
Kyushu ⓘ |
| religion |
Christianity
ⓘ
Roman Catholicism ⓘ |
| roleInChristianityInJapan | early protector of Christian missions ⓘ |
| supported |
Catholic missions in Japan
ⓘ
Jesuit missionaries ⓘ |
| title | daimyō of Ōmura ⓘ |
| tradePolicy | encouraged trade with Portuguese merchants ⓘ |
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: Ōmura Sumitada Description of subject: Ōmura Sumitada was a 16th-century Japanese daimyō known as one of the first Christian feudal lords in Japan and for opening Nagasaki as a major port and center of Catholic missionary activity.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.