Princess Margaret Rose, (1930 - 2002), Countess of Snowdon, with her husband Lord Snowdon, Anthony Armstrong Jones, and their children David (Lord Linley) and Sarah Armstrong Jones, 1974. (Photo by Terry O'Neill/Iconic Images/Getty Images)
Princess Margaret Rose, (1930 - 2002), Countess of Snowdon, with her husband Lord Snowdon, Anthony Armstrong Jones, and their children David (Lord Linley) and Sarah Armstrong Jones, 1974. (Photo by Terry O'Neill/Iconic Images/Getty Images)