The subject's mother died.

The evidence

• “His death occurred at Janesville, Wis., on March 12, 1872, in his seventy-ninth year. His wife—our subject's mother—died on November 10, 1855.”

  1908-brown-rock-county/34b-biographical-2.md, Vol. 2, PDF p. 383 / book p. 877

  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