The late Diana, Princess of Wales was born Lady Diana Frances Spencer on 1 July 1961 in Norfolk. Lady Diana Spencer married The Prince of Wales at St Paul's Cathedral in London on 29 July 1981. During her marriage the Princess undertook a wide range of royal duties. Family was very important to the Princess, who had two sons: Prince William and Prince Henry (Harry). After her divorce from The Prince of Wales, the Princess continued to be regarded as a member of the Royal Family. Right until the end of her life she was involved with charities working to help children, homeless people and AIDS sufferers, as well as with the campaign to ban land mines.