Mary Elizabeth Byers, 79 Mary Elizabeth Byers of Saukville and Bradenton, Fla., joined her  beloved Robert in heaven April 3, 2011. Mary was born in Milwaukee to Francis J. Poncheck and Lillian (nee  Milke) Poncheck on Aug. 28, 1931. She was a graduate of Pius X High  School. Mary and Robert started and ran AA Electric and Automation  Engineering Co. They generously supported many humanitarian causes. Mary is survived by her sister, Jeanne Sheahan of Elkhorn; sister-in- law, Betty Byers; nieces, Kathy Sheahan, Mary Mancini, Ilene Sheahan  and Debbie Schwaller; and nephew, Michael Byers. She was preceded in death by her best friend and husband, Robert; and  brother-in-law, Jim Byers. Services will be held at St. Augustine Catholic Church in Newburg on  April 30 at 10 a.m.