Charles Edward Maurice Spencer, 9th Earl Spencer, (born 20 May 1964), styled Viscount Althorp between 1975 and 1992, is the younger brother of Diana, Princess of Wales. He is also a British peer, author, print journalist, and broadcaster. Through his sister Diana he is the maternal uncle of Prince William, Duke of Cambridge, and Prince Harry, and the grand-uncle of both Prince George of Cambridge and Princess Charlotte of Cambridge.