Members of the British Royal Family, Princess Margaret, Countess of Snowdon (1930-2002) pictured holding her children, David Armstrong-Jones, Viscount Linley and Lady Sarah Armstrong-Jones on her knees during filming of the television documentary 'Royal Family' in London in 1969. The documentary would be first broadcast to the nation's television viewers on 21st June 1969. (Photo by Rolls Press/Popperfoto/Getty Images)