Roberta "Bobbie" M. Aust, 71, of Elkhart, passed away on October 6, 2019.  She was born on July 20, 1948 in Elkhart to Robert and Francis (Delp) Dempster.  On March 27, 1970, Bobbie married John Aust and he survives.  Bobbie worked for the Elkhart School System in the food service department for many years.  Her greatest joy was spending time with her family.  She is survived by her loving husband of 49 years, John; her children, Robert R. Swearengin of Elkhart and Michael J. (Johnna) Aust of North Carolina; four grandchildren; one great-grandchild; and her siblings, Robert (Diana) Dempster Jr., Rex Dempster, Marjorie Reynolds, and Shirley (Fred) Meyer.  Friends and family will be received on Thursday, October 10, 2019 from 12-2 PM in the Chapel Hill Funeral Home, 10776 McKinley Highway, Osceola, IN  46561 with a funeral service in Bobbie's honor beginning at 2 PM.  Pastor Ed Ritchie of the Elkhart County Community Baptist Church will be officiating at the service.  In lieu of flowers, memorial contributions may be made to the Elkhart County Community Baptist Church, 23805 Sunnyside Avenue, Elkhart, IN  46516.  To leave an online condolence or sign the guest book, please visit www.chapelhillmemorial.com.