Prince William of the United Kingdom is the elder son of Prince Charles and the late Princess Diana. Born on June 21, 1982, he is second in line to the British throne, following his father. William attended prestigious schools, including Eton College and St Andrews University, where he studied geography. In 2011, he married Catherine Middleton, now known as the Duchess of Cambridge. Together, they have three children: Prince George, Princess Charlotte, and Prince Louis. William is involved in various charitable activities and focuses on mental health, conservation, and supporting military veterans.