"United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:V3NH-M23 : 20 May 2014), Adam Hieb, Feb 1979; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).
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It may be possible to confirm family relationships with Adam by comparing test results with other carriers of his ancestors' Y-chromosome or mitochondrial DNA.
However, there are no known yDNA or mtDNA test-takers in his direct paternal or maternal line.
It is likely that these autosomal DNA test-takers will share some percentage of DNA with Adam: