KOESTER, MARY ISABELLE July 8, 1918-January 30, 2017 Wife of the late Edmund. Loving mother of Judy and Tony Scarpace and Janet and Rob Schrock and Grandmother of Deena and Travis Furlow, L. J. and Stacy Scarpace, Leslie and Mike Arends and Kristin and Drew Stanton. Cherished G. G. of Braeden, Kylie, Brecken, Chloe, Jillian, Anna, Asher, Mia, Emeric and Josie. Also survived by many nieces and nephews. According to Mary’s wishes, her body was donated to the University of Michigan Medical School. The family requests that you keep her in your thoughts and prayer and remember her for her love of family and zest for life.