Marion Grant Hepburn
E76142
Marion Grant Hepburn was an American woman best known as one of the siblings of acclaimed actress Katharine Hepburn, belonging to the prominent Hepburn family.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Hepburn | 2 |
| Margaret Hepburn | 1 |
| Marion Grant Hepburn canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T580100 — 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: Marion Grant Hepburn Context triple: [Katharine Hepburn, sibling, Marion Grant Hepburn]
-
A.
Cecilia DeMille Harper
Cecilia DeMille Harper was the daughter of legendary American film director and producer Cecil B. DeMille.
-
B.
Lou Henry Hoover
Lou Henry Hoover was an American First Lady, geologist, and humanitarian known for her advocacy of women's education and her active public role during Herbert Hoover's presidency.
-
C.
Gloria Vanderbilt
Gloria Vanderbilt was an American artist, socialite, fashion designer, and heiress renowned for her influential designer jeans line and prominent role in 20th-century high society.
-
D.
Margaret Truman
Margaret Truman was an American singer, author, and the only child of U.S. President Harry S. Truman, known for her concert career and popular mystery novels.
-
E.
Katharine Hepburn
Katharine Hepburn was an iconic American actress renowned for her fiercely independent screen persona, sharp wit, and a record four Academy Awards for Best Actress during Hollywood’s Golden Age.
- 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: Marion Grant Hepburn Target entity description: Marion Grant Hepburn was an American woman best known as one of the siblings of acclaimed actress Katharine Hepburn, belonging to the prominent Hepburn family.
-
A.
Cecilia DeMille Harper
Cecilia DeMille Harper was the daughter of legendary American film director and producer Cecil B. DeMille.
-
B.
Lou Henry Hoover
Lou Henry Hoover was an American First Lady, geologist, and humanitarian known for her advocacy of women's education and her active public role during Herbert Hoover's presidency.
-
C.
Gloria Vanderbilt
Gloria Vanderbilt was an American artist, socialite, fashion designer, and heiress renowned for her influential designer jeans line and prominent role in 20th-century high society.
-
D.
Margaret Truman
Margaret Truman was an American singer, author, and the only child of U.S. President Harry S. Truman, known for her concert career and popular mystery novels.
-
E.
Katharine Hepburn
Katharine Hepburn was an iconic American actress renowned for her fiercely independent screen persona, sharp wit, and a record four Academy Awards for Best Actress during Hollywood’s Golden Age.
- F. None of above. chosen
Statements (15)
| Predicate | Object |
|---|---|
| instanceOf |
human
ⓘ
member of the Hepburn family ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| ethnicGroup | American of English descent ⓘ |
| familyName |
Hepburn
ⓘ
linked to:
Marion Grant Hepburn
|
| givenName | Marion ⓘ |
| hasNamePart |
Grant
ⓘ
Hepburn ⓘ
linked to:
Marion Grant Hepburn
Marion ⓘ |
| languageOfWorkOrName | English ⓘ |
| notableFamily | Hepburn family ⓘ |
| placeOfOrigin | United States of America ⓘ |
| relative | Katharine Hepburn ⓘ |
| sexOrGender | female ⓘ |
| sibling | Katharine Hepburn ⓘ |
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: Marion Grant Hepburn Description of subject: Marion Grant Hepburn was an American woman best known as one of the siblings of acclaimed actress Katharine Hepburn, belonging to the prominent Hepburn family.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Marion Grant Hepburn
linked to: Marion Grant Hepburn
linked to: Marion Grant Hepburn