Prince William, Duke of Cambridge, is a member of the British royal family. Born on June 21, 1982, he is the elder son of Charles, Prince of Wales and Diana, Princess of Wales. He is second in line to the British throne, following his father. William attended St. Andrews University, where he studied geography, and later served in the Royal Air Force. William married Catherine Middleton on April 29, 2011, and they have three children: Prince George, Princess Charlotte, and Prince Louis. As a public figure, he is involved in various charitable activities, focusing on mental health, conservation, and support for veterans.