Below the president in the United States government hierarchy are the vice president and the members of the Cabinet, which includes the heads of the executive departments. Additionally, there are various federal agencies and organizations that operate under these departments. The president's administration also includes senior advisors and staff who assist in decision-making and policy implementation.
Speaker
Executive office of the President.
The President Pro Tempora
President Pro Tempore
a president is chief executive and chooses government officials with approval with the senate. A VICE PRESIDENT is an officer in government who is below the president in rank
President Pro Tempore
The succerssor to the president would be the Vice President. Below that are the other stages of government.
The leadership position below Vice President (V.P. Joe Biden) if the U.S. in the senate is The Cabinet.
According to the website linked below, Millard Fillmore, the 13th President, was the first President to have a stepmother.
John Tyler, when William Henry Harrison died of an illness. There is a link below.
Andrew Jackson
You can contact the president by filling out a form on the official White House website, linked below.