From the Your DNA Family blog

Plain-language guides for genealogists working their DNA matches, reading shared cM, building triangulation groups, and getting past the branches that have been stuck for years.

• July 2026

  DNA Triangulation, Explained: How Three Cousins Confirm One Ancestor

  How to triangulate DNA matches: three cousins sharing one DNA segment confirm a common ancestor. A worked example, the 8 cM floor, and how it is done for you.

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• June 2026

  Why your closest DNA match might not be your closest cousin

  Shared cM tells you a DNA match matters, not how they fit. Why a bigger centimorgan number is not always your closer cousin, and how triangulation resolves it.

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