Seeking information on parents and family of Wilhelm Leder late 1800s, possibly from Posen/Poznan area of Prussia. Surname changed to Lader when family emigrated to USA and settled in Wisconsin late 1800s. Wilhelm married Amelia Schmidt also from Posen.
Wilhelm was a laborer who worked for the railroad in the Milwaukee area and later bought (or homesteaded) farmland in Rhinelander, Oneida Co., Wisconsin.
Wilhelm is believed to have been in the Prussian Army.