Looking for a death date for Herman Schnieder b.1820 Saxony. Immigrated to Fon du lac Wisc in 1855 with bro. Heinrich. Wife name Wilhelmina (Anna) b. 1820. 1860 census they are in Calumet Twp. Fon du Lac Co. 1870 they are still there. 1880 Herman and Anna are in Chilton, Calumet Co. Ws.
Known children were: Alvina b.1848,Anna b,1849, Selma b, 1854, Ernest b,1855. In the 1880 census Herman would have been 60 yrs old. Cannot find him after that. Appreciate any help.

Paula