John Tubman
E902722
John Tubman was the first husband of abolitionist Harriet Tubman, a free Black man living in Maryland before the American Civil War.
All labels observed (1)
| Label | Occurrences |
|---|---|
| John Tubman canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T11056891 — 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: John Tubman Context triple: [Harriet Tubman, spouse, John Tubman]
-
A.
William Walton Sharman
William Walton Sharman was an American Hall of Fame basketball player and coach, best known for his sharpshooting with the Boston Celtics and later coaching the Los Angeles Lakers to an NBA championship.
-
B.
Musa McKim
Musa McKim was an American painter and poet associated with the New York School, known both for her own artistic work and as the wife and close creative partner of painter Philip Guston.
-
C.
Papyrus Butler
Papyrus Butler is an ancient Egyptian manuscript preserving a version of the Middle Kingdom literary tale known as "The Eloquent Peasant."
-
D.
William T. Williams
William T. Williams is an American abstract painter and influential figure in Black contemporary art who helped establish the Studio Museum in Harlem as a major institution for artists of African descent.
-
E.
Leroy Hicks
Leroy Hicks is an individual notable enough to be specifically recorded as a bearer of the surname Hicks, though widely recognized public information about him is limited.
- 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: John Tubman Target entity description: John Tubman was the first husband of abolitionist Harriet Tubman, a free Black man living in Maryland before the American Civil War.
-
A.
William Walton Sharman
William Walton Sharman was an American Hall of Fame basketball player and coach, best known for his sharpshooting with the Boston Celtics and later coaching the Los Angeles Lakers to an NBA championship.
-
B.
Musa McKim
Musa McKim was an American painter and poet associated with the New York School, known both for her own artistic work and as the wife and close creative partner of painter Philip Guston.
-
C.
Papyrus Butler
Papyrus Butler is an ancient Egyptian manuscript preserving a version of the Middle Kingdom literary tale known as "The Eloquent Peasant."
-
D.
William T. Williams
William T. Williams is an American abstract painter and influential figure in Black contemporary art who helped establish the Studio Museum in Harlem as a major institution for artists of African descent.
-
E.
Leroy Hicks
Leroy Hicks is an individual notable enough to be specifically recorded as a bearer of the surname Hicks, though widely recognized public information about him is limited.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
historical figure
ⓘ
person ⓘ |
| associatedWith | Harriet Tubman ⓘ |
| associatedWithEvent |
American slavery era in Maryland
ⓘ
antebellum period in the United States ⓘ |
| associatedWithPlace | Eastern Shore of Maryland ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| ethnicGroup |
African American
ⓘ
linked to:
Black Americans
|
| knownFor | remaining in Maryland after Harriet Tubman escaped to freedom ⓘ |
| languageSpoken | English ⓘ |
| legalStatus | free person of color ⓘ |
| maritalStatus | married ⓘ |
| notableFor | being the first husband of Harriet Tubman ⓘ |
| occupation | laborer ⓘ |
| partOf | free Black community in pre–Civil War Maryland ⓘ |
| placeOfResidenceDuringEvent | Maryland before the American Civil War ⓘ |
| relative | in-laws in the Ross family (Harriet Tubman’s family) ⓘ |
| residence |
Caroline County, Maryland
ⓘ
Dorchester County, Maryland ⓘ Maryland ⓘ |
| sexOrGender | male ⓘ |
| socialStatus | free Black man ⓘ |
| spouse | Harriet Tubman ⓘ |
| spouseOfAbolitionist | Harriet Tubman ⓘ |
| timePeriod | 19th century ⓘ |
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: John Tubman Description of subject: John Tubman was the first husband of abolitionist Harriet Tubman, a free Black man living in Maryland before the American Civil War.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.