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Sources
Acknowledgments
Thank you to Stephen Clarke for creating WikiTree profile McMahon-599 through the import of Steve Clarke.ged on Apr 26, 2013. Click to the Changes page for the details of edits by Stephen and others.
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DNA Connections
It may be possible to confirm family relationships with Thomas 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 Thomas: