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.

Question: Did he have any siblings?
Self-contained rewrite: Did Andrew Johnson have any siblings?