Katherine Cotter (1877-1973) (1877–1973) Parents Frances Symington Ironside James Lawrence Cotter Children Siblings unknown twin Cotter unknown twin Cotter Evadne Kilgour Cotter Henry Martin Stuart Cotter Anne Winifred Ruth Cotter James Laurence Rogerson Cotter Oliver Wendell Holmes Cotter Arthur Douglas Cotter Wemyss McKenzie Osborne Cotter Ada Margaret Cotter George Sackville Cotter Agnes Mary Cotter Partners William T. Daniel