Henry BUCHANAN (spelled variously), b. abt. 1730 in VA, d. bef. 1789 poss. in Bedford Co. VA, m. abt 1755 poss. in Charlotte or Campbell Co. VA to Sarah ARMISTEAD.She was b. abt. 1735 poss. in Charlotte or Campbell Co. VA, d. 1794-1810 in Bedford or Botetourt Co. VA. Widow Sarah and one son were in Bedford Co. in 1789; three sons were enum. 1810 in Botetourt Co. VA.
Children:
*Theodore BUCHANAN b. abt. 1758 poss. in Bedford, d. aft. 1810 prob. in Botetourt, m. (1) 17 Jan 1789 in Bedford to Elizabeth NIMMO, m. (2) 4 Oct 1800 in Botetourt to Elizabeth HUNTSMAN.
*Sarah "Sallie" BUCHANAN b. 1759-1761 poss. in Bedford, d. 1822 in Russell Co. VA, m. 1779 in Bedford or Botetourt to James SUTHERLAND.
*John Armistead "Jack" BUCHANAN b. abt. 1765 poss. in Bedford, d. 1850-1860 in Claiborne Co. TN, m. 2 Oct 1794 in Botetourt to Sarah Mosby LaFORCE.
*"Fade" BUCHANAN b. abt. 1767 poss. in Bedford, enum. 1810 in Botetourt with family, no further information.
*Lillian (?) BUCHANAN b. abt. 1768 poss. in Bedford, d. 1820-1830 in TN or MO, m. abt. 1790 in Botetourt to James B. WILLS. 
- This appears to be in error, as the Lillie Bowen Buchanan that married James Wills has been listed as a daughter of Archibald Buchanan (1728-1806) and Agnes Bowen (1735-1803)
*James M. (?) BUCHANAN b. 1776-1780 poss. in Bedford, d. 1828 in Ohio Co. IN, m. 9 Feb 1801 in Bedford to Anne STURMAN.
http://www.genealogy.com/forum/surnames/topics/buchanan/3511/
