Charles 1948 - . Prince of the UK. Charles Philip Arthur George Heir to the British throne, and Prince of Wales since 1958 (invested 1969). He is the first-born child of Queen Elizabeth II and the Duke of Edinburgh. He studied at Trinity College, Cambridge, 1967-70, before serving in the Royal Air Force and Royal Navy. He is the first royal heir since 1660 to have an English wife, Lady Diana Spencer, daughter of the 8th Earl Spencer. They have two sons and heirs, William (1982-...) and Henry (1984-...). Amid much publicity, Charles and Diana separated 1992. Prince Charles's concern for social and environmental issues has led to many self-help projects for the young and underprivileged, and he is a leading critic of unsympathetic features of contemporary architecture.