Prince William, born on June 21, 1982, is the elder son of Prince Charles and the late Princess Diana. He is second in line to the British throne and has served in the Royal Air Force and as a search and rescue pilot. William is known for his charitable work and focus on mental health initiatives. Catherine Middleton, born on January 9, 1982, became the Duchess of Cambridge upon her marriage to William in 2011. She is involved in various charitable activities, particularly those related to children and mental health. Together, they have three children: Prince George, Princess Charlotte, and Prince Louis.