Margaret Grubb
E866690
Margaret Grubb was the first wife of L. Ron Hubbard, the founder of Scientology, and the mother of two of his children.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Margaret Grubb canonical | 2 |
| Margaret Louise Grubb | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8505793 — 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: Margaret Grubb Context triple: [L. Ron Hubbard, spouse, Margaret Grubb]
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A.
Margaret Burr
Margaret Burr was the wife of renowned 18th-century English portrait and landscape painter Thomas Gainsborough and the mother of his two daughters.
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B.
Margaret Whitmore
Margaret Whitmore is best known as the wife of American physician-turned-thriller novelist Robin Cook.
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C.
Margaret Gibson
Margaret Gibson was the wife of American actor Noah Beery, associated with the early Hollywood film era.
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D.
Margaret Whigham
Margaret Whigham, later known as Margaret, Duchess of Argyll, was a prominent British socialite whose glamorous lifestyle and highly publicized divorce scandal made her one of the most notorious figures of mid-20th-century high society.
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E.
Margaret Barnhill
Margaret Barnhill was the wife of New York businessman Cornelius Van Schaack Roosevelt and the grandmother of U.S. President Theodore Roosevelt.
- 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: Margaret Grubb Target entity description: Margaret Grubb was the first wife of L. Ron Hubbard, the founder of Scientology, and the mother of two of his children.
-
A.
Margaret Burr
Margaret Burr was the wife of renowned 18th-century English portrait and landscape painter Thomas Gainsborough and the mother of his two daughters.
-
B.
Margaret Whitmore
Margaret Whitmore is best known as the wife of American physician-turned-thriller novelist Robin Cook.
-
C.
Margaret Gibson
Margaret Gibson was the wife of American actor Noah Beery, associated with the early Hollywood film era.
-
D.
Margaret Whigham
Margaret Whigham, later known as Margaret, Duchess of Argyll, was a prominent British socialite whose glamorous lifestyle and highly publicized divorce scandal made her one of the most notorious figures of mid-20th-century high society.
-
E.
Margaret Barnhill
Margaret Barnhill was the wife of New York businessman Cornelius Van Schaack Roosevelt and the grandmother of U.S. President Theodore Roosevelt.
- F. None of above. chosen
Statements (29)
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: Margaret Grubb Description of subject: Margaret Grubb was the first wife of L. Ron Hubbard, the founder of Scientology, and the mother of two of his children.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.