Prince Henry of Wales (Henry Charles Albert David; born 15 September 1984), commonly known as Prince Harry, is the younger son of Charles, Prince of Wales, and his first wife, Diana, Princess of Wales (née Diana Spencer). A grandson of Queen Elizabeth II and Prince Philip, Duke of Edinburgh, he is third in the line of succession to the thrones of the United Kingdom and the other fifteen Commonwealth realms, behind his father and his older brother, Prince William..