Mr. Tanberg married Caroline Gulbrandson, of Norway.

The evidence

• “Mr. Tanberg married, on Aug. 26, 1858, Caroline Gulbrandson, of Norway ; he has four children living — George Edward, Charles Oscar, Martin Elmer and Edmond Christopher. Mr. and Mrs.”

  1879-history-of-rock-county/18-bios-beloit.md, PDF p. 764 / book p. 768

  Butterfield, C. W., et al. The History of Rock County, Wisconsin: its early settlement, growth, development, resources, etc. Chicago: Western Historical Company, 1879. Cornell University Library via the Internet Archive, archive.org/details/cu31924028871585.

  Grade A: Found on a page of one of our sources