1Church of Jesus Christ of Latter Day Saints, Family Search Pedigree, www.familysearch.com.
2Church of Jesus Christ of Latter Day Saints, Family Search Pedigree.
1Church of Jesus Christ of Latter Day Saints, Family Search Pedigree, www.familysearch.com.
1Church of Jesus Christ of Latter Day Saints, Family Search Pedigree, www.familysearch.com.
2Church of Jesus Christ of Latter Day Saints, Family Search Pedigree.
1Church of Jesus Christ of Latter Day Saints, Family Search Pedigree, www.familysearch.com.
2Church of Jesus Christ of Latter Day Saints, Family Search Pedigree.
1Hvidston, Terry & Val, Hirtz Family History, http://hvidston.com/.
2Hvidston, Terry & Val, Hirtz Family History.
3Hvidston, Terry & Val, Hirtz Family History.
4Hvidston, Terry & Val, Hirtz Family History.
5Hvidston, Terry & Val, Hirtz Family History.
6Hvidston, Terry & Val, Hirtz Family History.
1Hvidston, Terry & Val, Hirtz Family History, http://hvidston.com/.
2Hvidston, Terry & Val, Hirtz Family History.
1Social Security Death Records.
2Social Security Death Records.
3U.S. Dept. of Commerce, U.S. Census of 1940, www.ancestry.com.
1Chicago Tribune, Chicago, IL.
2Chicago Tribune.
3U.S. Dept. of Commerce, U.S. Census of 1930 (Cook Co., IL), National Archives (Pulaski Rd).