From Revolutionary War Pension File of William Henson (1755-1824):
[Facts in file: the only child of the veteran and his wife named in the documents in this file is
William Henson who was living as of 1849 (his age in place of residence is not stated; in 1842 John Henson or Henson a resident of Greenbrier County Virginia stated that his at (name not given) was a daughter of William and Sevilly Henson and that she resided in Indiana; also in 1842, Christopher Hedrick, 73, a resident of Greenbrier County, stated that he married a sister of Sevilly Henson but the name of his wife is not stated.
https://revwarapps.org/w3416.pdf