If they were Margaret's biological grandchildren, then her descendants include Charles Darwin, Winston Churchill, Elizabeth II and Diana, Princess of Wales.
Margaret Thatcher | Margaret Atwood | Spencer Tracy | Margaret | Margaret Mead | Marks & Spencer | Princess Margaret, Countess of Snowdon | Margaret Weis | Spencer | Princess Margaret | Margaret Cho | Princess Margaret Hospital | Margaret Mitchell | Margaret Bourke-White | Herbert Spencer | Margaret of Anjou | Margaret Court | Margaret Becker | Wedding of Charles, Prince of Wales, and Lady Diana Spencer | Spencer Gulf | Margaret Sullavan | Margaret Hodge | Jimmy Spencer | Bob and Margaret | Spencer W. Kimball | Spencer Wells | Margaret Murray | Bud Spencer | Baldwin Spencer | Margaret Tudor |