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 1

Statements (25)

Predicate Object
instanceOf historical figure
person
associatedWith Harriet Tubman NERFINISHED
associatedWithEvent American slavery era in Maryland
antebellum period in the United States
associatedWithPlace Eastern Shore of Maryland NERFINISHED
countryOfCitizenship United States of America
ethnicGroup Black Americans
surface form: African American
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 NERFINISHED
Dorchester County, Maryland NERFINISHED
Maryland NERFINISHED
sexOrGender male
socialStatus free Black man
spouse Harriet Tubman NERFINISHED
spouseOfAbolitionist Harriet Tubman NERFINISHED
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 (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

Harriet Tubman spouse John Tubman