Conversation so far:
Where was Andrew Johnson born?
Andrew Johnson was born in Raleigh, North Carolina.
who were his parents?
to Jacob Johnson (1778-1812) and Mary ("Polly") McDonough (1783-1856), a laundress.
what is his birth date?
December 29, 1808.
Did he have any siblings?
He had a brother William, four years his senior, and an older sister Elizabeth, who died in childhood.

Question: What did his parents do?
Self-contained rewrite: What did Andrew Johnson parents do?