I looked in the 1884 History of Wabash County written by Helm and found this citing for you.
CHARLES GURTNER. This esteemed citizen is a native of Switzerland, born January 25, 1832. He came to America in August 1852. His first marriage occurred August 25, 1859, the companion of his choice being Miss Caroline Maurer, who was born September 23, 1840. Their children were Jacob C., born July 6, 1860; Albert, May 10, 1862; John, March 19,1865; Mary E., July 25, 1867; Lewis F., January 4, 1870; Charles F., August 8, 1872 (now deceased). His worthy wife died April 11, 1878. Again he married in May 1879, to Catherine Zeinsmeister, born in December 22, 1836. Mr. Gurtner owns a farm of 150 acres of good land, and is one of the desrving citizens of his neighborhood.