List of presidents of the United States by age
The median age upon accession to the presidency is 55 years and 3 months. This is how old Lyndon B. Johnson was at the time of his inauguration. The youngest person to assume the office was Theodore Roosevelt, who became president at the age of , following William McKinley's assassination; the oldest was Donald Trump, who was old at his inauguration. The youngest person to be elected president was John F. Kennedy, at of age on election day; the oldest was Ronald Reagan, who was old at the time of his election to a second term.
Family of Donald Trump
Barron William Trump (born March 20, 2006) is Donald Trump's youngest child and his only child with Melania Trump. He is of German and Scottish descent on his father's side and Slovenian descent on his mother's side. In May 2006, Barron Trump received the Christian sacrament of baptism at The Episcopal Church of Bethesda-by-the-Sea in Palm Beach, Florida. He attended the Columbia Grammar & Preparatory School in Manhattan. Barron is fluent in English and Slovene. During his early childhood, Barron made several television appearances, including on "The Apprentice" and a May 16, 2006 episode of "The Oprah Winfrey Show" at only 2 months old. Barron did not immediately move into the White House when his father became president, but remained at Trump Tower with his mother until the end of the 2016–2017 school year. Melania and Barron moved to the White House on June 11, 2017, and he now attends St. Andrew's Episcopal School in Potomac, Maryland.