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innovative math and science techniques for Genetic genealogy



This relationship predictor uses the most accurate data currently available and shows differences between maternal and paternal relationships.

multiple cousin PREDICTOR 

This tool is the same as the above relationship predictor except that it includes 3/4 siblings and double 1st cousins—the first tool of its kind.

AYPR/ROH Predictor

After using the GEDmatch “Are Your Parents Related?” tool, the best thing to do next is to enter the cM amount directly into this tool.


How much of an ancestor’s DNA do you have? How much would you be able to reproduce if you and various relatives all had your DNA tested?

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