The DNA Legacy of Thomas Jefferson
Richard Edward Green, Samuel H. Vohr, Joshua D. Kapp, Jane E. Ailes, Samuel Sacco, Remy Nguyen, James A. Cahill, Peter D. Heintzman, Joanne Flores, Logan Kistler, Courtney A. Hofman, Robert C. Fleischer, Beth Shapiro, Richard Kurin
This study uses DNA from museum hair samples to confirm Thomas Jefferson's ancestry in descendants of Sally Hemings and Martha Wayles Jefferson, supporting paternity over alternative explanations.
bioRxiv · Sep 21, 2026 · PreprintGenomics