Thomas B. Alexander enlisted 21 April 1861 at Harper's Ferry, Virginia as a Private. Residence was not listed.
On 21 April he mustered into "B" Co., Virginia 2nd Infantry. He died of disease on 18 September 1862 at Staunton, Virginia. (Estimated day of death in hospital of cerbretis).
Thomas Blackburn Alexander joined the Confederacy as did every other able bodied close relative of George Washington. He was the Great-grandnephew of George Washington (His Great Great Grandfather was George Washington's brother). Most of his immediate family is buried in Zion Episcopal church grounds in Charles Town, WV.
His direct ancestry to Mary Washington is as follows:
Mary Ball Washington (1708-1789)
Col John Augustine Washington (1736-1787) (brother of George Washington)
Corbin Washington (1765-1799)
Bushrod Corbin Washington (1790-1851) (buried in Charles Town, WV)
Hannah Lee Washington Alexander (1811-1881) (buried in Charles Town, WV)
Thomas Blackburn Alexander (1839-1862)
He is mentioned in: https://opinionator.blogs.nytimes.com/2014/02/15/the-confederate-washingtons/
Contributor: Robert Heyward (49713475)
Co. F, 49th NC Regt. Buried 29 Oct 1862