Conversation so far:
Who did Harriet Tubman marry?
Harriet Tubman married a free black man named John Tubman.
When did Harriet Tubman and John Tubman marry?
Around 1844, Harriet Tubman married a free black man named John Tubman.
Did Harriet Tubman and John Tubman have any kids?
Harriet Tubman adopted a baby girl named Gertie in 1874, and lived together as a family
Where did Harriet Tubman and John Tubman live?
John and Harriet Tubman lived in Maryland.
What else is significant regarding Harriet and John Tubman's marriage?
The mother's status dictated that of children, and any children born to Harriet and John Tubman would be enslaved.
Was Harriet Tubman's mother a slave?
Harriet Tubman was born Araminta Minty Ross to enslaved parents, Harriet Green and Ben Ross.
What else is notable about Harriet Tubman's family besides her parents being slaves?
Modesty, Harriet Tubman's maternal grandmother, arrived in the United States on a slave ship from Africa; no information is available about her other ancestors.

Question: Did she change her last name?
Self-contained rewrite: Did Harriet Tubman change her last name?