Diana L. Hering-Wyllie, 53, died Friday, March 12, 1999 unexpectedly.  She was born April 20, 1945 in Port Huron.  She married Fred Wyllie, Sept. 19, 1970 in Port Huron.  She worked at Bill Lee Oldsmobile, Mt. Clemens as an office manage for over 25 years.  She will be missed very much by Fred, her husband of 28 years; two sisters, Thelma Pokryfke of Warren and Susanna (Richard) Higgins of Port Huron; three brothers, William (Jane) Hering, Thomas (Barb) Hering, Michael (Beverly) Hering, all of Port Huron; mother-in-law, Dorothy Wyllie; and several nieces and nephews.  She was preceded in death by her sister, Cynthia A. Cox, brother, James C. R. Hering and her parents, Carl and Pauline Hering.