In what year was the president whose younger brother was a member of the United States House of Representatives for Tennessee's 6th congressional district from 1851 to 1853 born?
William Hawkins Polk:  He was the younger brother of President James K. Polk. James K. Polk: James Knox Polk (November 2, 1795 – June 15, 1849) was the 11th President of the United States (1845–49).
i don't know