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.
August 2026
Why Your Match List Should Be Shorter: How We Remove False DNA Matches
Two ways a DNA match can be wrong: the side jump and the glued gap. What phased matching and opposite-homozygote gap measurement remove, with measured numbers by segment size.
Read the guide →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.
Read the guide →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.
Read the guide →