No biography yet.[1] Can you add information or sources?
Sources
↑ Straub-396 was created by Sarah Clayton through the import of Sarah Clayton 6.ged on Nov 1, 2016. This comment and citation should be deleted after a short biography has been added and primary sources have been cited.
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DNA Connections
It may be possible to confirm family relationships with Johann Friederich 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 Friederich: