Lawrence Augustine Washington (1774–1824)
Lawrence Augustine Washington was a cousin of Bushrod Washington.
Lawrence Augustine Washington, a son of Samuel Washington and a nephew of George Washington, was born on 11 April 1774 at Harewood, the family home in what is now Jefferson County, West Virginia.
"To George Washington from Francis Willis, Jr., 24 September 1788," Founders Online, National Archives, https://founders.archives.gov/documents/Washington/05-01-02-0004. [Original source: The Papers of George Washington, Presidential Series, vol. 1, 24 September 1788 – 31 March 1789, ed. Dorothy Twohig. Charlottesville: University Press of Virginia, 1987, pp. 10–13.]
"To George Washington from Lawrence Augustine Washington, 7 July 1794," Founders Online, National Archives, https://founders.archives.gov/documents/Washington/05-16-02-0250. [Original source: The Papers of George Washington, Presidential Series, vol. 16, 1 May–30 September 1794, ed. David R. Hoth and Carol S. Ebel. Charlottesville: University of Virginia Press, 2011, pp. 313–314.])
"To George Washington from Lawrence Augustine Washington, 23 August 1797," Founders Online, National Archives, https://founders.archives.gov/documents/Washington/06-01-02-0282. [Original source: The Papers of George Washington, Retirement Series, vol. 1, 4 March 1797 – 30 December 1797, ed. W. W. Abbot. Charlottesville: University Press of Virginia, 1998, pp. 316–317.]
Ron Chernow, Washington: A Life (New York: The Penguin Press, 2010), 464, 647.
Lawrence Augustine Washington at Find a Grave.
Lawrence Augustine Washington at FamilySearch.