Question: 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?

Context articles: James G. King
James K. Polk
Joseph E. Washington
Emerson Etheridge
Bill McCollum
Thomas B. Butler
William Hawkins Polk
Val Demings
Dick Muri
Karen Handel

James Gore King (May 8, 1791, New York City – October 3, 1853, Weehawken, New Jersey) was an American businessman and Whig Party politician who represented New Jersey's 5th congressional district in the United States House of Representatives from 1849 to 1851.
 King was the third son of Rufus King, and brother of John Alsop King, who served as Governor of New York.
James Knox Polk (November 2, 1795 – June 15, 1849) was the 11th President of the United States (1845–49).
 He previously served as the 13th Speaker of the House of Representatives and as Governor of Tennessee.
 A protege of Andrew Jackson, Polk was a member of the Democratic Party and an adherent of Jacksonian democracy and Manifest Destiny.
 During his presidency, the United States expanded significantly with the annexation of Republic of Texas, the Oregon Treaty, and the conclusion of the Mexican-American War.
Joseph Edwin Washington (November 10, 1851 – August 28, 1915) was an American politician and a member of the United States House of Representatives for the 6th congressional district of Tennessee.
Henry Emerson Etheridge (September 28, 1819 – October 21, 1902) was an American politician and a member of the United States House of Representatives for Tennessee's 9th congressional district from 1853 to 1857, and again from 1859 to 1861.
 He also served one term in the Tennessee House of Representatives (1845–1847) and one term in the Tennessee Senate (1869–1871).
 After Tennessee seceded in 1861, he was elected Clerk of the United States House of Representatives, serving until 1863.
Ira William "Bill" McCollum Jr. (born July 12, 1944) is an American politician and member of the Republican Party.
 He was a member of the United States House of Representatives from 1981 to 2001, representing Florida's 5th congressional district, which was later redistricted to the 8th congressional district in 1993.
 As a member of the House, McCollum rose to become Vice Chairman of the House Republican Conference, the fifth-highest ranking position in the House Republican leadership.
 He voted to impeach President Bill Clinton and subsequently took a leadership role in managing Clinton's trial in the Senate, which ended in acquittal.
Thomas Belden Butler (August 22, 1806 – June 8, 1873) was a Whig politician from Connecticut.
 He was Chief Justice of the Connecticut Supreme Court from 1870 to 1873.
 He was a member of the United States House of Representatives from Connecticut's 4th congressional district from 1849 to 1851.
 He had previously served as a member of the Connecticut Senate representing the 12th District from 1847 to 1848.
 In 1848, he was President pro tempore of the Connecticut Senate.
 He also had served as a member of the Connecticut House of Representatives from 1832 to 1834, from 1837 to 1838, from 1843 to 1844, and from 1846 to 1847.
William Hawkins Polk (May 24, 1815 – December 16, 1862) was an American politician and a member of the United States House of Representatives for Tennessee's 6th congressional district from 1851 to 1853.
 He was the younger brother of President James K. Polk.
 Prior to his election to Congress, he had been a member of the Tennessee House of Representatives (1841–1845), served as U.S. Minister to the Kingdom of the Two Sicilies (1845–1847), and fought as a major in the Mexican-American War.
Valdez Venita "Val" Demings (née Butler; March 12, 1957) is an American police officer and politician who serves as the member of the United States House of Representatives from Florida 's 10 congressional district .
 She served as Chief of the Orlando Police Department, the first woman to hold the position.
 She was the Democratic nominee in both 2012 and 2016 to represent Florida's 10th congressional district in the United States House of Representatives, the latter of which Demings won.
Richard Walter "Dick" Muri (born November 30, 1953) is an American politician of the Republican Party.
 He is a member of the Washington House of Representatives, representing the 28th legislative district.
 Muri was appointed to the Washington State House of Representatives following (now former) State Representative Steve O'Ban's appointment to the Washington State Senate after State Senator Mike Carrell's death.
 From 2003 to 2012, he served as a Republican member of the Pierce County Council, representing the 6th District.
 In 2010, he ran as a Republican candidate for U.S. Congress in Washington's 9th congressional district against incumbent Democratic Congressman Adam Smith, eventually losing to Smith by nearly 10 points.
 In 2012, he again ran, this time in Washington's 10th congressional district against Denny Heck, losing by 17 points.
Karen Christine Handel (née Walker; born April 18, 1962) is an American businesswoman, politician, and member of the United States House of Representatives for Georgia's 6th congressional district.
 In 2017, she became the first Republican woman to be elected to the U.S. Congress from Georgia after defeating Democratic candidate Jon Ossoff on June 20 in the 2017 special election to fill the vacancy in Georgia's 6th congressional district in the most expensive congressional race in American history.