Recent genetic research has definitively confirmed that Thomas Jefferson, the third U.S. president and author of the Declaration of Independence, fathered children with Sally Hemings, an enslaved woman at his Monticello estate. While historians had long suspected this relationship, a new study led by Smithsonian scholar Richard Kurin utilized Jefferson’s own DNA for the first time to establish a direct genetic link between the former president and the descendants of Hemings.
The Scientific Breakthrough in Paternity Testing
For decades, the question of whether Thomas Jefferson acknowledged his children with Sally Hemings remained a subject of historical debate. Early genetic attempts to solve the mystery occurred in 1998, when researcher Eugene Foster analyzed the Y chromosome of male descendants. While this study showed a match between the Jefferson and Hemings lines, critics argued that other male members of the Jefferson family could have been the biological fathers.
The definitive answer came after a 15-year research project. Scientists managed to extract viable DNA from hair samples found at Monticello. By sequencing Jefferson’s own genetic material and comparing it to the descendants of Madison and Eston Hemings, the team found an absolute match. As Richard Kurin stated in an interview with NPR, the DNA evidence now speaks for itself, removing any remaining doubt about the paternity.
Who Was Sally Hemings and What Was Her Relationship With Jefferson
Sally Hemings was the daughter of Elizabeth Hemings and Jefferson’s father-in-law. She was inherited by Jefferson after his marriage to Martha Jefferson. The nature of their relationship was complex and characterized by a significant power imbalance, as Hemings was owned by Jefferson. This dynamic has led modern historians to view the relationship as likely nonconsensual.
The existence of the relationship first became public knowledge through journalist James Callender, who published reports in the Richmond Recorder in 1802. Despite these public allegations and the criticism from abolitionists regarding the hypocrisy of a man who spoke against slavery while owning over 600 people, Jefferson never officially acknowledged the children in public records.
How Many Children Did Thomas Jefferson Have With Sally Hemings
According to Jefferson’s own records, Sally Hemings had six children, four of whom survived infancy. These children were:
- William Beverly (born 1798)
- Harriet (born 1801)
- Madison (born 1805)
- Eston (born 1808)
Jefferson’s treatment of these children varied. Before his death in 1826, he arranged for William Beverly and Harriet to leave Monticello. In his will, he granted freedom to Madison and Eston. Notably, he never officially freed Sally Hemings herself.
Key Historical Evidence and Confirmations
Beyond the recent DNA sequencing, several historical markers pointed toward this conclusion:
- The Hemings Account: In 1873, Madison Hemings provided a detailed account stating that he and his siblings were the biological children of Thomas Jefferson.
- The Monticello Records: The Monticello statement on the new research emphasizes that the combination of historical records and genetic data creates an undeniable case.
- Previous Foundation Reports: In 2000, the Thomas Jefferson Foundation concluded that there was a strong likelihood that Jefferson fathered Eston Hemings and likely all the other children.
Are any of Sally Hemings’ descendants alive today?
Yes, the recent Smithsonian study was made possible specifically because living descendants of Madison and Eston Hemings provided the genetic samples necessary for comparison with Jefferson’s DNA.
Did Martha Jefferson know about Sally Hemings?
While there are no definitive records confirming whether Martha Jefferson was aware of the relationship, she and Thomas Jefferson had six children together, only two of whom survived into adulthood. After Martha’s death in 1782, Jefferson promised he would never remarry, though his relationship with Hemings persisted for years afterward.










