Funeral services for Joann Trost, 86, formerly of Churdan, will be Wednesday at 10:30 am at the Trinity Lutheran Church in Jefferson.  Burial will be in the Highland Township Cemetery in Churdan.  Visitation will be Tuesday from 4 pm to 7 pm at the Brown Funeral Home in Jefferson.  Survivors include:  Children, Jeff Trost of Nashua, Steven Trost of Wall Lake, Scott Trost of Lohrville and Laurie Walker of Paton.  10 grandchildren and 9 great grandchildren.  Brothers, Marlin Aschinger of Denison and Veryl Aschinger of Wall Lake.