The President, the Vice President and the First Secretary.
Yes ,William Henry Harrison was the first president to die while in office. He died in the White House after catching a cold.
George Washington
The first president of the US to give his oath of office in the White House was Rutherford B. Hayes.
George Washington was elected and took the oath of office in 1789. Although President Washington was instrumental in picking the site of the new White House, he never lived there. The new Executive Mansion was completed in 1800 and the first resident of the White House was John Adams.
His first Oath of Office was taken in the Cabinet Room of the White House.
Jeremiah Deem Tulsa - John Adams moved into the White House in his last year in office. it was then referred to as the President's House. Otherwise it was nowhere for his first three years!
Herbert Hoover was first to have a phone on his desk. The White House had a phone since about 1879 but it was out in the hall.
The White House is the official residence and executive office of the President of the United States.
The first United States President to have a car at the White House was William McKinley. It was a steam carriage driven by the inventor F.O. Stanley.
Abraham Lincoln would be the first to die in office outside of the White House.The first two who died in office, Harrison and Taylor , died at home in the White House. Lincoln was too badly hurt to move even to a hospital and so died in a rooming house bed across the street from the theatre where he was shot.
Two U.S. presidents have married while in office: Grover Cleveland and Woodrow Wilson. Grover Cleveland married Frances Folsom in 1886 during his first term as president. Woodrow Wilson married Edith Bolling Galt in 1915 during his second term as president.