Biddy Mason
E426126
Biddy Mason was a formerly enslaved African American woman who became a prominent nurse, landowner, and philanthropist in Los Angeles, known for her legal fight for freedom and significant contributions to the city’s early development.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Biddy Mason canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4269123 — 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: Biddy Mason Context triple: [Angelus-Rosedale Cemetery, hasNotableBurial, Biddy Mason]
-
A.
Biddy Baxter
Biddy Baxter is a British television producer best known for her long-running role as editor of the BBC children's programme Blue Peter, where she helped shape its distinctive style and legacy.
-
B.
Harriet Hilliard
Harriet Hilliard was an American singer and actress best known as the wife and performing partner of Ozzie Nelson and for her long-running role on the radio and television series "The Adventures of Ozzie and Harriet."
-
C.
Sister Douglass
Sister Douglass is a supporting character in James Baldwin’s play "The Amen Corner," representing the devout, tradition-bound members of a Harlem Pentecostal congregation.
-
D.
Cora Smith
Cora Smith is the seductive and scheming femme fatale who conspires with her lover to murder her husband in the classic film noir The Postman Always Rings Twice (1946).
-
E.
Willa Brown
Willa Brown was a pioneering African American aviator, flight instructor, and civil rights advocate who became the first Black woman in the United States to earn both a pilot’s license and a commercial pilot’s license.
- 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: Biddy Mason Target entity description: Biddy Mason was a formerly enslaved African American woman who became a prominent nurse, landowner, and philanthropist in Los Angeles, known for her legal fight for freedom and significant contributions to the city’s early development.
-
A.
Biddy Baxter
Biddy Baxter is a British television producer best known for her long-running role as editor of the BBC children's programme Blue Peter, where she helped shape its distinctive style and legacy.
-
B.
Harriet Hilliard
Harriet Hilliard was an American singer and actress best known as the wife and performing partner of Ozzie Nelson and for her long-running role on the radio and television series "The Adventures of Ozzie and Harriet."
-
C.
Sister Douglass
Sister Douglass is a supporting character in James Baldwin’s play "The Amen Corner," representing the devout, tradition-bound members of a Harlem Pentecostal congregation.
-
D.
Cora Smith
Cora Smith is the seductive and scheming femme fatale who conspires with her lover to murder her husband in the classic film noir The Postman Always Rings Twice (1946).
-
E.
Willa Brown
Willa Brown was a pioneering African American aviator, flight instructor, and civil rights advocate who became the first Black woman in the United States to earn both a pilot’s license and a commercial pilot’s license.
- F. None of above. chosen
Statements (56)
| Predicate | Object |
|---|---|
| instanceOf |
African American
ⓘ
former slave ⓘ human ⓘ landowner ⓘ midwife ⓘ nurse ⓘ philanthropist ⓘ |
| birthName | Bridget Mason NERFINISHED ⓘ |
| child |
Ann Mason
NERFINISHED
ⓘ
Ellen Mason NERFINISHED ⓘ Harriet Mason NERFINISHED ⓘ |
| commemoratedBy |
Biddy Mason Memorial Wall in Los Angeles
NERFINISHED
ⓘ
Biddy Mason Park in downtown Los Angeles NERFINISHED ⓘ California Historical Landmark No. 1003 NERFINISHED ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| dateOfBirth | 1818-08-15 ⓘ |
| dateOfDeath | 1891-01-15 ⓘ |
| enslavedBy |
Rebecca Smith
NERFINISHED
ⓘ
Robert Marion Smith NERFINISHED ⓘ |
| ethnicGroup |
Black Americans
ⓘ
surface form:
African Americans
|
| founded | First African Methodist Episcopal Church of Los Angeles NERFINISHED ⓘ |
| freedBy | court order of Judge Benjamin Hayes ⓘ |
| gender | female ⓘ |
| givenName | Bridget NERFINISHED ⓘ |
| hasCaliforniaHistoricalLandmarkNumber | 1003 ⓘ |
| influenced | development of the African American community in Los Angeles ⓘ |
| knownFor |
early African American landownership in Los Angeles
ⓘ
founding role in First African Methodist Episcopal Church of Los Angeles ⓘ legal fight for freedom from slavery in California ⓘ philanthropy in Los Angeles ⓘ |
| language | English ⓘ |
| legalStatusAfter1856 | free ⓘ |
| legalStatusBefore1856 | enslaved ⓘ |
| movedWithEnslaverTo |
California
NERFINISHED
ⓘ
Utah Territory NERFINISHED ⓘ |
| nickname | Biddy NERFINISHED ⓘ |
| notableEvent | freedom suit decided in 1856 in Los Angeles County ⓘ |
| notableProperty | large commercial and residential holdings in downtown Los Angeles ⓘ |
| numberOfChildren | 3 ⓘ |
| occupation |
midwife
ⓘ
nurse ⓘ philanthropist ⓘ real estate investor ⓘ |
| philanthropicActivity |
provided food and shelter to the poor in Los Angeles
ⓘ
supported education and community institutions for African Americans ⓘ visited prisoners and the sick ⓘ |
| placeOfBirth | Hancock County, Georgia, United States NERFINISHED ⓘ |
| placeOfBurial | Evergreen Cemetery, Los Angeles NERFINISHED ⓘ |
| placeOfDeath | Los Angeles, California, United States NERFINISHED ⓘ |
| religion | Methodism NERFINISHED ⓘ |
| residence |
Los Angeles
ⓘ
surface form:
Los Angeles, California, United States
Mississippi NERFINISHED ⓘ San Bernardino, California, United States NERFINISHED ⓘ Utah Territory NERFINISHED ⓘ |
| workedFor |
Dr. John Strother Griffin
NERFINISHED
ⓘ
Dr. Robert Maclay Widney NERFINISHED ⓘ |
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: Biddy Mason Description of subject: Biddy Mason was a formerly enslaved African American woman who became a prominent nurse, landowner, and philanthropist in Los Angeles, known for her legal fight for freedom and significant contributions to the city’s early development.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Angelus-Rosedale Cemetery