Kilder |
- [S463] The Church of Jesus Christ of Latter-day Saints, FamilySearch, (https://www.familysearch.org), 6 jun. 2023, https://www.familysearch.org/ark:/61903/1:1:N794-W6T.
"Illinois, Cook County, Birth Certificates, 1871-1949", database, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:N794-W6T : 6 October 2022), Harold Heidman, .
- [S463] The Church of Jesus Christ of Latter-day Saints, FamilySearch, (https://www.familysearch.org), 6 jun. 2023, https://www.familysearch.org/ark:/61903/1:1:K4MJ-2J4.
"United States Census, 1940," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:K4MJ-2J4 : 9 January 2021), Harry Hiadman, Chicago, Cook, Illinois, United States; citing enumeration district (ED) 103-2752, sheet 1B, line 75, family 17, Sixteenth Census of the United States, 1940, NARA digital publication T627. Records of the Bureau of the Census, 1790 - 2007, RG 29. Washington, D.C.: National Archives and Records Administration, 2012, roll 1008.
- [S463] The Church of Jesus Christ of Latter-day Saints, FamilySearch, (https://www.familysearch.org), 6 jun. 2023, https://www.familysearch.org/ark:/61903/1:1:6X16-1XTQ.
"United States 1950 Census", database, FamilySearch (ark:/61903/1:1:6X16-1XTQ : Mon Jan 30 04:32:23 UTC 2023), Entry for Harold R Heidman and Jeanne M Heidman, 2 April 1950.
- [S463] The Church of Jesus Christ of Latter-day Saints, FamilySearch, (https://www.familysearch.org), 6 jun. 2023, https://www.familysearch.org/ark:/61903/1:1:6K4X-G7NS.
"United States, Social Security Numerical Identification Files (NUMIDENT), 1936-2007", database, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:6K4X-G7NS : 11 February 2023), Harold Heidman, .
- [S463] The Church of Jesus Christ of Latter-day Saints, FamilySearch, (https://www.familysearch.org), .https://www.familysearch.org/ark:/61903/1:1:N7Z9-W3X.
"Illinois, Cook County Marriages, 1871-1968", database, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:N7Z9-W3X : 25 January 2023), Hans C. Heidmann and Ingrid Svendsen, 1914.
- [S463] The Church of Jesus Christ of Latter-day Saints, FamilySearch, (https://www.familysearch.org), 5 jun. 2023, https://www.familysearch.org/ark:/61903/1:1:N763-Z23.
"Illinois, Cook County Deaths, 1871-1998," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:N763-Z23 : 8 March 2018), Hans Heidmann in entry for Roy Heidmann, 18 Mar 1915; citing , Cook, Illinois, United States, source reference , record number 14, Cook County Courthouse, Chicago; FHL microfilm 1,287,516.
- [S463] The Church of Jesus Christ of Latter-day Saints, FamilySearch, (https://www.familysearch.org), 5 jun. 2023, https://www.familysearch.org/ark:/61903/1:1:QVB1-QQ2B.
- [S2591] Heidman, James - i Geni, (https://www.geni.com/people/James-Heidman/6000000006734169789), https://www.geni.com/people/James-Heidman/6000000006734169789.
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