"Wisconsin Death Index, 1959-1997," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:V89V-YYM : 12 December 2014), Gertrude M Hemmersbach, 12 Jan 1965; from "Wisconsin Death Index, 1959-1997," database and images, Ancestry (http://www.ancestry.com : 2007); citing certificate number 002196, Spar, , Wisconsin, Wisconsin Department of Health, Madison.