Mary Elphinstone1883 - 1961 Born Thu, 30 August 1883 Glamis Castle, Glamis Died Wed, 8 February 1961 Inveresk Details Parents Lady Mary Frances Bowes-Lyon Lived 77 years, 5 months, 9 days father Claude Bowes-Lyon 1855 - 1944 mother Cecilia Nina Cavendish-Bentinck 1862 - 1938 Siblings Sister Violet Hyacinth Bowes-Lyon 1882 - 1893 Brother Patrick Bowes-Lyon 1884 - 1949 Brother John Bowes-Lyon 1886 - 1930 Brother Alexander Francis Bowes-Lyon 1887 - 1911 Brother Fergus Bowes-Lyon 1889 - 1915 Sister Rose Leveson-Gower 1890 - 1967 Brother Michael Bowes-Lyon 1893 - 1953 Sister Elizabeth 1900 - 2002 Brother David Bowes-Lyon 1902 - 1961