Howard Graham Buffett
E18803
Howard Graham Buffett is an American businessman, farmer, philanthropist, and conservationist known for his global humanitarian and environmental work and as the son of investor Warren Buffett.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Howard G. Buffett | 7 |
| Howard Graham Buffett canonical | 4 |
| Howard Buffett | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T141661 — 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: Howard Graham Buffett Context triple: [Warren Buffett, hasChild, Howard Graham Buffett]
-
A.
Warren Buffett
Warren Buffett is an American business magnate, investor, and philanthropist, best known as the longtime chairman and CEO of Berkshire Hathaway and one of the world’s most successful value investors.
-
B.
Susan Alice Buffett
Susan Alice Buffett is an American philanthropist and the daughter of billionaire investor Warren Buffett, known for her work in education, social justice, and family-planning initiatives.
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C.
David Rockefeller
David Rockefeller was an American banker, philanthropist, and heir to the Rockefeller family fortune who led Chase Manhattan Bank and became a prominent figure in global finance and charitable giving.
-
D.
John D. Rockefeller Jr.
John D. Rockefeller Jr. was an American financier and philanthropist who greatly expanded the Rockefeller family’s business and charitable legacy, funding major institutions such as Rockefeller Center, the Museum of Modern Art, and the restoration of Colonial Williamsburg.
-
E.
William Rockefeller
William Rockefeller was an American businessman and co-founder of Standard Oil, instrumental in building one of the largest oil monopolies of the late 19th century.
- 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: Howard Graham Buffett Target entity description: Howard Graham Buffett is an American businessman, farmer, philanthropist, and conservationist known for his global humanitarian and environmental work and as the son of investor Warren Buffett.
-
A.
Warren Buffett
Warren Buffett is an American business magnate, investor, and philanthropist, best known as the longtime chairman and CEO of Berkshire Hathaway and one of the world’s most successful value investors.
-
B.
Susan Alice Buffett
Susan Alice Buffett is an American philanthropist and the daughter of billionaire investor Warren Buffett, known for her work in education, social justice, and family-planning initiatives.
-
C.
David Rockefeller
David Rockefeller was an American banker, philanthropist, and heir to the Rockefeller family fortune who led Chase Manhattan Bank and became a prominent figure in global finance and charitable giving.
-
D.
John D. Rockefeller Jr.
John D. Rockefeller Jr. was an American financier and philanthropist who greatly expanded the Rockefeller family’s business and charitable legacy, funding major institutions such as Rockefeller Center, the Museum of Modern Art, and the restoration of Colonial Williamsburg.
-
E.
William Rockefeller
William Rockefeller was an American businessman and co-founder of Standard Oil, instrumental in building one of the largest oil monopolies of the late 19th century.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
businessman
ⓘ
conservationist ⓘ farmer ⓘ human ⓘ philanthropist ⓘ |
| boardMemberOf |
Berkshire Hathaway
ⓘ
Lindsay Corporation ⓘ The Coca-Cola Company ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| educatedAt |
Augustana College
ⓘ
California State University, Fresno ⓘ |
| familyName | Buffett ⓘ |
| fieldOfWork |
conflict mitigation
ⓘ
environmental policy ⓘ food security ⓘ philanthropy ⓘ rural development ⓘ wildlife conservation ⓘ |
| founded | Howard G. Buffett Foundation ⓘ |
| genreOfWriting | non-fiction ⓘ |
| givenName | Howard ⓘ |
| hasPart | Howard G. Buffett Foundation research farms ⓘ |
| hasRelative |
Peter Buffett
ⓘ
Susan Alice Buffett ⓘ Susan Thompson Buffett ⓘ
linked to:
Susan Alice Buffett
Warren Buffett ⓘ |
| name | Howard Graham Buffett ⓘ |
| notableFor |
being the son of investor Warren Buffett
ⓘ
large-scale philanthropic giving through the Howard G. Buffett Foundation ⓘ support for anti-poaching efforts in Africa ⓘ work on sustainable agriculture ⓘ |
| notableWork |
environmental conservation work
ⓘ
global humanitarian work ⓘ implementation of conservation agriculture projects in Africa ⓘ initiatives to combat hunger and improve food security ⓘ support for demining and post-conflict recovery projects ⓘ |
| occupation |
businessman
ⓘ
conservationist ⓘ farmer ⓘ philanthropist ⓘ |
| parent |
Susan Thompson Buffett
ⓘ
linked to:
Susan Alice Buffett
Warren Buffett ⓘ |
| positionHeld | Chairman of the Howard G. Buffett Foundation ⓘ |
| residence |
Decatur, Illinois
ⓘ
Nebraskan farm properties ⓘ |
| sibling |
Peter Buffett
ⓘ
Susan Alice Buffett ⓘ |
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: Howard Graham Buffett Description of subject: Howard Graham Buffett is an American businessman, farmer, philanthropist, and conservationist known for his global humanitarian and environmental work and as the son of investor Warren Buffett.
Referenced by (14)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Howard Graham Buffett
linked to: Howard Graham Buffett
linked to: Howard Graham Buffett
linked to: Howard Graham Buffett
linked to: Howard Graham Buffett
linked to: Howard Graham Buffett
linked to: Howard Graham Buffett
linked to: Howard Graham Buffett
subject linked to:
B-u-f-f-e-t-t
linked to: Howard Graham Buffett