Alexander Gordon Duff (1884-1978) (1884–1978) Parents Amy Katherine Barnett Edward Alexander James Duff Children Margaret Jean Duff Mary Evelyn Duff Siblings Helen Dorothy Duff Walter Norwich Duff Audrey Louisa Duff Cicely Katharine Duff Aline Mary Duff unnamed son Duff Emily Beatrice Duff Partners Janet Macfie Blaikie