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    Half-and Removed Relatives

    Aug 16, 2022 2 minutes
    Diahan Southard

    Q How do you determine half-and “removed” relationships using DNA?

    A Test results include “shared DNA” values, indicating how much DNA you and a match have in common. Measured in centimorgans (cM), shared DNA is used to provide an estimate of how you and a match are genealogically related to each other.

    But (in one of the trickiest relationships. 50 cM of shared DNA could translate into (literally) a dozen different relationships, ranging from the second-cousin level all the way up to sixth cousins. The Shared cM Project can help you visualize this <>, and has an article on using shared DNA to determine relationships <>.

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