This DNA evidence supports the broader paternal line and is not used as standalone proof for every immediate relationship.
Source file
Y-DNA confirmation for the Simpson line
Y-DNA evidence supporting the broader Simpson line back to William Simpson.
People in this story
- clement-simpson-1778-1838
Source Citation
Paternal relationship confirmed by Y-chromosome DNA test results on FamilyTreeDNA. Davis Simpson, FTDNA kit B24208, and Lee Simpson, FTDNA kit 436237, match with 6 Big Y STR differences, supporting their direct paternal lines back to their most recent common ancestor, William Simpson. Both belong to haplogroup R-FGC39762. Citation generated by DNA Confirmation app, version 3.09, updated 25 February 2026.