From "History of La Crosse County, Wisconsin", 1881, p. 748. City of La Crosse JOHN A. CULLMANN, contractor and builder, has been in La Crossse since 1865, and in business most of the time, except two years on a farm. He was born in Rhine Province, Germany, in 1828; son of Charles Christian Cullmann; learned the cabinet-maker's and joiner's trade in the old country, and came to the United States in 1850. He resided in Rensselaer Co., N. Y., till 1854; then went to Louisville, Ky., and came from there to Wisconsin in 1856, lived in Dunn Co. till 1859, then in St. Clair Co., Ill., till 1861, then back to Dunn Co., Wis., and came for there to La Crosse in 1865. He was married, in 1866, to Sophia Sander, of La Crosse, and has four children - Willie, John, Albert and Adolph. [I am not related to this family and have no further information. I'm posting this as a service and hope it helps!]