↑ Röhrig-30 was created by Charles Meyer through the import of Harman Family Tree (including .ged on Mar 4, 2015. This comment and citation can be deleted after the biography has been edited and primary sources are included.
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DNA Connections
It may be possible to confirm family relationships with Johann Adam by comparing test results with other carriers of his Y-chromosome or his mother's 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 Johann Adam: