SIEBER WILLIAM KARL BILL, M.D. On May 4, 2015, William Karl "Bill" Sieber, M.D. Survived by his wife, Anne M. Sieber; his children, William Karl Sieber, Jr., Frederick Edmund Sieber, M.D. and Kurt DeLance Sieber; also survived by six grandchildren. Interment Service Private. In lieu of flowers and to benefit the Dr. William Sieber, MD Award, contributions may be directed in Bill's memory to the University of Pittsburgh, School of Medicine, 250 Terrace St., M245 Scaife Hall, Pittsburgh, PA 15216, please reference the Dr. William Sieber, MD Award, Acct. #24740. A guest book is available at: www.lemmonfuneralhome.com Send condolences post-gazette.com/gb