From "History of Grant County, Wisconsin", 1881, p. 972 - 973.
Town of Patch Grove
FREDRICK JOHN CLAUER, proprietor of Reliance Mill, Patch Grove; was born in Bavaria, Germany, Aug. 21, 1846; came to America and direct to Mineral Point in the year 1869; then to Mifflin, where he worked in the Star Mills for William Bainbridge five years; then to Galena, Ill.; then to Cassville, Wis.; then to Patch Grove Sept. 1, 1880. He is a fine miller, and has a good business at the mill, which is one of the best in the county. His wife, Ella, daughter of Fridmund Goldman, of Linden, Iowa Co., Wis., was born in 1853; they married in 1874, and have three children - George H., born in 1875; William C., 1877; Oscar E., 1879. A member of Mifflin Lodge, of A., F. & A. M. Was in the army in the old country.
[I am not related to this family. I'm posting this as a service and hope it helps!]