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Family Matching Overview

At the top of your Family Finder™ Matches page, you can click on the Family Matching tabs to view your Paternal, Maternal, and Paternal/Maternal matches. 


The Family Matching feature allows you to view your confirmed maternal and paternal Family Finder matches at a glance and separately. This feature assigns maternal or paternal icons to your matches list based on phased matching to close relatives in conjunction with a special Family Matching threshold.

How to use Family Matching 

  • You must have taken the Family Finder test and received your results.
  • You must have Family Finder matches.
  • You must have created or uploaded a Family Tree or GEDCOM on the FamilyTreeDNA website.
  • You must have at least one maternal and/or paternal Family Finder match linked to your family tree.  Click here to learn about linking matches. 

The Family Matching tool is not limited to Parents and uses anyone who has taken the Family Finder test and who is currently linked to your tree between Parent to 3rd cousin.

Family Matching continues to populate information when linking more matches beyond a linked immediate parental relationship range. We always recommend linking all members of your family, even if a particular relationship is not currently in use, as it may be in the future.

    • Relationships are validated based on Family Finder’s range with a + - formula depending upon the distance. For example, the system will not use someone as a parent if they are calculated as a 2nd cousin.

    • Family Matching does not populate based on relationships indicated by users but rather assigns maternal and paternal icons only based on single or multiple linked kits, the phased matching algorithm and the Family Matching threshold.

The Family Matching system is not based on the In-Common With/Not-In-Common With feature which is entirely based on the match list. Instead, Family Matching is based on phased blocks detected between relations, taking into account phased information is significant as it ensures that the block is not only of similar size and in the same location, but also transmitted by the same alleles.

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