Updated: 17 May 2010
John P. Nemmers (1836 - 1890) married Margaret Mangrich (1845 - 1890). John was the son of Nicholas & Maria (Freyman) Nemmers.
Biography from: History of Black Hawk County, Iowa and its people, Volume 2, edited by John C. Hartman, 1915. Go to Google Books and search for "John P. Nemmers Iowa" or click on the JPG files below: