<P> The entry foyer and north passage were removed by 1825 . The large bedroom was subsequently occupied by President John Quincy Adams and his wife, Louisa; President Andrew Jackson; President Van Buren; President John Tyler and his wives Letitia Christian Tyler and Julia Gardiner Tyler; and President James K. Polk and his wife, Sarah; </P> <P> A full bath was added to the dressing room by 1849 . The large bedroom was then used by President Zachary Taylor and his wife, Margaret; President Millard Fillmore and his wife, Abigail; President Franklin Pierce and his wife, Jane; President James Buchanan; and First Lady Mary Todd Lincoln . The northern passage (this time extending across the length of the room) was restored by 1865 . An open doorframe in the south wall provided access to the bedroom to the south . The 1865 configuration was occupied by Senator David T. Patterson and his wife, Martha (daughter of President Andrew Johnson); President Ulysses S. Grant and his wife, Julia; President Rutherford B. Hayes and his wife, Lucy; President James Garfield and his wife, Lucretia; Mary Arthur McElroy, sister of widowed President Chester Arthur; Ruth, Esther, and Marion Cleveland, young daughters of President Grover Cleveland; President Benjamin Harrison and his wife, Caroline; President Theodore Roosevelt and his wife, Edith; President William Howard Taft and his wife, Helen; President Woodrow Wilson and his first wife, Ellen Axson Wilson; President Warren G. Harding and his wife, Florence; President Calvin Coolidge and his wife, Grace; and President Herbert Hoover and his wife, Lou . It was used as a sitting room by First Ladies Eleanor Roosevelt and Bess Truman . </P> <P> The room underwent a major architectural change in 1952 . The northeast corner of the room was intruded upon by a dressing room which extended from the small bedroom to the east . Another closet extended from the west into the northwest corner of the room . To accommodate these spaces, the northern wall of the large bedroom was made convex . It continued to be used as a sitting room by Bess Truman, but reverted to bedroom space in 1953 . It has remained in its 1952 configuration ever since, and has been occupied by First Lady Mamie Eisenhower; First Lady Jacqueline Kennedy; First Lady Lady Bird Johnson; First Lady Pat Nixon; President Gerald R. Ford and his wife, Betty; President Jimmy Carter and his wife, Rosalynn; President Ronald Reagan and his wife, Nancy; President George H.W. Bush and his wife, Barbara; President Bill Clinton and his wife, Hillary; and President Barack Obama and his wife, Michelle . </P> <P> The Presidential Bedroom Suite dressing room was part of the Executive Residence when it was completed in 1809 . A full bath was added to it some time before 1849 . The bath was expanded to take up half the dressing room's space in the 1952 reconstruction . </P>

How many bedrooms in the white house residence