Double Match Triangulator (DMT) is a third-party autosomal DNA analysis tool created by Louis Kessler of Behold Genealogy.

 
 

How It Works
“Double Match Triangulator (DMT) is an autosomal DNA analysis tool. DMT combines segment match data of two or more people to find all the double matches and all the triangulations between them.

“It is difficult with current tools to identify all the shared segments between all the people you match to. Double Match Triangulator was developed to do this for you and present your segment matches visually in an Excel spreadsheet. With DMT, you can skip the long and involved step of looking for and identifying triangulations. Instead you can jump right ahead into the analysis of your segment matches.”

“The information Double Match Triangulator (DMT) presents will help you to:

  • Phase your matches to determine which are on your paternal and which are on your maternal side,
  • Identify relatives who are sharing segments with you that may come from common ancestors,
  • Determine the ancestors who passed you each segment of your DNA (i.e. map your segments to your ancestors).”

 
 

Where Does the DNA Data Come From?
Test results may be uploaded from the following DNA sites:

  • Family Tree DNA (FTDNA)
  • 23andMe
  • MyHeritage DNA
  • and GEDMatch (not a testing site but another third party analysis site)

 
 

How Much Does It Cost?

You can purchase the Double Match Triangulator program  (Lifetime License) for $40.00
 
 

Tutorial | Explanation

Double Match Triangulator was exhibited at RootsTech 2017 and took third place in 2017 RootsTech Innovator Showdown. Watch their  exhibition video:

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