sentences:  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;
  
  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.