Sarah J. was born.

The evidence

• “Jacob, born Sept. 30, 1848, died Sept. 14, 1870 ; Sarah J., born Feb. 17, 1852, died Feb. 9, 1875. He married again, December, 1865, Miss Mary Mason ; they have one child — Lorraine, born June 3, 1872.”

  1879-history-of-rock-county/26-bios-la-prairie.md, PDF p. 832

  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