1850
A family came to the United States from Norway and settled in Beloit (later moving to Newark township).
BeloitGrade A · 1 independent source
The evidence
“His brother, Egbert, is now deceased. The parents came to the United States in 1850, and after four years' residence in Beloit, Wis., settled on a farm in Newark township, where they passed the remainder of their days. The father was a successful farmer and brought his farm, which was wholly unimproved when he settled on it, to a high state of cultivation, and improved it with good buildings and other equipments of the modern farm.”
1908-brown-rock-county/34b-biographical-2.md, Vol. 2, PDF p. 417 / book p. 908
Brown, William Fiske, editor. Rock County, Wisconsin: A New History of Its Cities, Villages, Towns, Citizens and Varied Interests, from the Earliest Times, Up to Date. Chicago: C. F. Cooper & Co., 1908. 2 vols. archive.org/details/rockcountywiscon01brow, archive.org/details/rockcountywiscon02brow.
Grade A: Found on a page of one of our sources