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Genealogy by genetics
is the greatest
addition to Genealogy since the creation
of the Family Tree!



Comparing yourself to the Jefferson DNA




The Jefferson-Hemmings case, built on DNA testing and published in 1998, was one of the catalysts of what later became the field of Genetic Genealogy.

Did Thomas Jefferson father a child with his slave Sally Hemmings?

While DNA cannot tell that the child product of that relationship was Thomas' son, DNA can tell for sure that the son was "a Jefferson". Family Tree DNA has the Y-DNA signature of the Jefferson line:



A simple Y-DNA test can compare yourself to that signature and tell you how far (or close) you are to it.

click here to order your Y-DNA test.


Family Tree DNA
The latest technology for your genealogy.




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