Roy Obama
E64626
Roy Obama is a Kenyan-born half-brother of former U.S. President Barack Obama, known primarily as a member of the Obama family.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Obama | 6 |
| George Obama | 2 |
| Roy Obama canonical | 2 |
| Abo Obama | 1 |
| Roy Abongo Obama | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T372381 — 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: Roy Obama Context triple: [Barack Obama Sr., child, Roy Obama]
-
A.
Barack Obama
Barack Obama is an American politician and attorney who served as the 44th president of the United States and the first African American to hold the office.
-
B.
Auma Obama
Auma Obama is a Kenyan-British community activist, author, and sociologist known for her work in sustainable development and as the half-sister of former U.S. President Barack Obama.
-
C.
Clinton
Clinton is a small town in Dutchess County, New York, known for its rural character and historic Hudson Valley setting.
-
D.
Clinton
Clinton is a prominent American political surname most famously associated with Hillary Clinton, the former U.S. Secretary of State, senator, and First Lady.
-
E.
Barack Obama Sr.
Barack Obama Sr. was a Kenyan economist and government official best known as the father of U.S. President Barack Obama.
- 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: Roy Obama Target entity description: Roy Obama is a Kenyan-born half-brother of former U.S. President Barack Obama, known primarily as a member of the Obama family.
-
A.
Barack Obama
Barack Obama is an American politician and attorney who served as the 44th president of the United States and the first African American to hold the office.
-
B.
Auma Obama
Auma Obama is a Kenyan-British community activist, author, and sociologist known for her work in sustainable development and as the half-sister of former U.S. President Barack Obama.
-
C.
Clinton
Clinton is a small town in Dutchess County, New York, known for its rural character and historic Hudson Valley setting.
-
D.
Clinton
Clinton is a prominent American political surname most famously associated with Hillary Clinton, the former U.S. Secretary of State, senator, and First Lady.
-
E.
Barack Obama Sr.
Barack Obama Sr. was a Kenyan economist and government official best known as the father of U.S. President Barack Obama.
- F. None of above. chosen
Statements (9)
| Predicate | Object |
|---|---|
| instanceOf | human ⓘ |
| countryOfCitizenship | Kenya ⓘ |
| familyName |
Obama
ⓘ
linked to:
Roy Obama
|
| givenName | Roy ⓘ |
| memberOf | Obama family ⓘ |
| notableFor | being half-brother of Barack Obama ⓘ |
| placeOfBirth | Kenya ⓘ |
| relative | Barack Obama ⓘ |
| sibling | Barack Obama ⓘ |
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: Roy Obama Description of subject: Roy Obama is a Kenyan-born half-brother of former U.S. President Barack Obama, known primarily as a member of the Obama family.
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Roy Obama
linked to: Roy Obama
linked to: Roy Obama
linked to: Roy Obama
linked to: Roy Obama