John A. and Ensign L. were born.

The evidence

• “Madelina, born Feb. 18, 1846, died Nov. 13, 1847 ; John A., born Aug. 21, 1848 ; Frank, March 28, 1851 ;”

  1879-history-of-rock-county/26-bios-la-prairie.md, PDF p. 831 / book p. 835

  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