BRANDENBURG, MARGARET C. - Margaret C. Brandenburg, sister of Tipp resident - Services for Margaret C. Brandenburg, 77, of Troy, sister of Cora Miller of Tipp City, were conducted at 2 p.m. Monday in the Jackson Funeral Home in Pleasant Hill by the Rev. E. L. Taulbee.  Burial was in Miami Memorial Park, Covington. Mrs. Brandenburg, retired from the Beery School of Horsemanship, died Friday evening in Stouder Hospital, Troy. She was formerly employed at Hobart Corp., Troy.  Other survivors are two daughters, Mrs. Richard Hildebrand (Betty) of Troy and Mrs. Ronald Morgan (Phyllis) of New Carlisle; four other sisters, Helen Landis of Pleasant Hill and Patricia Ely, Lila Pinkerman and Jannette Taylor, all of Troy; four brothers, Kenneth Taylor of Casstown, Bernard Taylor of Conover and Clifton Taylor and Marion Taylor, both of Troy; six grandchildren and 13 great grandchildren.  She was preceded in death by her husband, Jacob (Jake) Brandenburg in 1986, one daughter, two sisters and four brothers.