Prince William: A look at the life of the new heir to the British throne after Queen Elizabeth II's death

Prince William was born on June 21, 1982, and is the eldest child of King Charles and Princess Diana. (Hulton Archive/Getty Images)

King Charles and Princess Diana's second child was Prince Harry, who was born on Sept. 15, 1984. (Chris Young - PA Images/PA Images via Getty Images)

Prince William graduated from the University of St Andrews in Scotland in 2005. Shortly after, he began military training and joined the Royal Air Force. (Mark Cuthbert/UK Press via Getty Images)

Prince William married Catherine (Kate) Middleton on April 29, 2011, at Westminster Abbey. She took the title Duchess of Cambridge. (Mark Cuthbert/UK Press via Getty Image)

Prince William and Kate Middleton have three children. Prince George was born July 22, 2013, Princess Charlotte was born on May 2, 2015, and Prince Louis was born April 23, 2018. (Max Mumby/Indigo/Getty Images)

Prince William's father, King Charles, married Camilla Parker Bowles on April 9, 2005. Charles inherited the duties of the king on Sept. 8, 2022, after the passing of Queen Elizabeth II. (Max Mumby/Indigo/Getty Images)

Prince William's brother Prince Harry married Meghan Markle on May 19, 2018. (Anwar Hussein/WireImage)

Prince William and Kate Middleton lived in Kensington Palace, but relocated with their children in the summer of 2022 to Adelaide Cottage in Windsor, which was closer to Queen Elizabeth II. (Julian Finney/Getty Images)

Prince William's three children, Prince George, Princess Charlotte and Prince Louis, are the next in line for the British throne after their father. After Prince William, his eldest son Prince George is next in line.  (Jonathan Brady - Pool/Getty Images)

The death of Queen Elizabeth II makes Prince William, the eldest child of King Charles III, next in line for the throne.  (Max Mumby/Indigo/Getty Images)