Arthur MacArthur IV
E27116
Arthur MacArthur IV is the only son of famed American General Douglas MacArthur, known primarily for his private life away from the public and military spotlight.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Arthur MacArthur IV canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T92227 — 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: Arthur MacArthur IV Context triple: [Douglas MacArthur, child, Arthur MacArthur IV]
-
A.
Arthur MacArthur Jr.
Arthur MacArthur Jr. was a U.S. Army general and Medal of Honor recipient who served as military governor of the Philippines and was the father of General Douglas MacArthur.
-
B.
Robert Helmer MacArthur
Robert Helmer MacArthur was an influential American ecologist best known for his pioneering work on island biogeography and the theory of species diversity.
-
C.
Douglas MacArthur
Douglas MacArthur was a prominent American five-star general who played a leading role in the Pacific theater during World War II and later oversaw the Allied occupation of Japan.
-
D.
Alexander Vandegrift
Alexander Vandegrift was a highly decorated U.S. Marine Corps general best known for leading the 1st Marine Division to victory in the Guadalcanal Campaign during World War II and later serving as Commandant of the Marine Corps.
-
E.
Frank Jack Fletcher
Frank Jack Fletcher was a U.S. Navy admiral in World War II who played a key leadership role in early Pacific carrier battles, including the Coral Sea and Midway campaigns.
- 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: Arthur MacArthur IV Target entity description: Arthur MacArthur IV is the only son of famed American General Douglas MacArthur, known primarily for his private life away from the public and military spotlight.
-
A.
Arthur MacArthur Jr.
Arthur MacArthur Jr. was a U.S. Army general and Medal of Honor recipient who served as military governor of the Philippines and was the father of General Douglas MacArthur.
-
B.
Robert Helmer MacArthur
Robert Helmer MacArthur was an influential American ecologist best known for his pioneering work on island biogeography and the theory of species diversity.
-
C.
Douglas MacArthur
Douglas MacArthur was a prominent American five-star general who played a leading role in the Pacific theater during World War II and later oversaw the Allied occupation of Japan.
-
D.
Alexander Vandegrift
Alexander Vandegrift was a highly decorated U.S. Marine Corps general best known for leading the 1st Marine Division to victory in the Guadalcanal Campaign during World War II and later serving as Commandant of the Marine Corps.
-
E.
Frank Jack Fletcher
Frank Jack Fletcher was a U.S. Navy admiral in World War II who played a key leadership role in early Pacific carrier battles, including the Coral Sea and Midway campaigns.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
American person
ⓘ
human ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| dateOfBirth | 1938-02-21 ⓘ |
| describedBySource | biographies of Douglas MacArthur ⓘ |
| educatedAt | Columbia University ⓘ |
| ethnicGroup | White American ⓘ |
| familyName | MacArthur ⓘ |
| father | Douglas MacArthur ⓘ |
| givenName | Arthur ⓘ |
| hasAncestor | Arthur MacArthur Jr. ⓘ |
| hasNoMilitaryService | true ⓘ |
| hasRelative |
Arthur MacArthur Jr.
ⓘ
Mary Pinkney Hardy MacArthur ⓘ |
| hasReligion | Protestantism ⓘ |
| languageSpoken | English ⓘ |
| livedIn |
Tokyo
ⓘ
United States of America ⓘ |
| mother | Jean MacArthur ⓘ |
| notableFor |
being the only son of General Douglas MacArthur
ⓘ
maintaining a private life away from the public spotlight ⓘ |
| occupation |
musician
ⓘ
pianist ⓘ |
| onlyChildOf |
Douglas MacArthur
ⓘ
Jean MacArthur ⓘ |
| placeOfBirth |
Manila
ⓘ
Philippines ⓘ |
| residence | New York City ⓘ |
| sexOrGender | male ⓘ |
| subjectOf | biographical works about Douglas MacArthur’s family ⓘ |
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: Arthur MacArthur IV Description of subject: Arthur MacArthur IV is the only son of famed American General Douglas MacArthur, known primarily for his private life away from the public and military spotlight.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.