From Thomas Jefferson Encyclopedia
Archibald Thweatt (1772-1844) was the brother-in-law of John Wayles Eppes. He married Lucy Eppes in 1802 and purchased Eppington in 1810. He also corresponded with Thomas Jefferson and was a member of the Virgina House of Delegates (1813-15; 1816-18) representing Chesterfield County.
- McCartney, Martha W. A Documentary History of Eppington, Chesterfield County, Virginia. S.l.; s.n., 1991.