Magnus Hanson married Mary Larson, both natives of Norway.

The evidence

• “MAGrNlJS HANSOST, furniture manufacturer; a native of Norway; came to Janesville in 1852, and has been engaged in the manufacturing business ever since ; commenced business for himself in 1855. Married Mary Larson, a native of Norway, July 18, 1850 ; they have nine children living — Bertha Maria, Henry, Carrie Louisa, Annie Margaretta, Thorwald, JMartin, Charles Louis, Clara Christina and Hannah Elvina. Mr.”

  1879-history-of-rock-county/17-bios-janesville.md, PDF p. 703

  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