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.
- PTJ:RS, 2:85.
- Dorman, John Frederick, ed. Ancestors and Descendants of Francis Epes I of Virginia: (Epes-Eppes-Epps). Petersburg, Va.: Society of the Descendants of Francis Epes I of Virginia, 1992. 2 vols.
- McCartney, Martha W. A Documentary History of Eppington, Chesterfield County, Virginia. S.l.; s.n., 1991.