William Leonard Addington (1856-1919) (1856–1919) Parents Laetitia Clark Leonard Allen Addington Children Mary Beatrice Addington Stella Laetitia Addington Leonard George Addington Siblings Maud Florence Addington Blanche Mary Addington Hiley Reginald Addington Laetitia Anne Addington Beatrice Cordelia Addington Barbara Marion Addington Partners Augusta Hayter-Hames