Didn't found parents but a few things for you...
The bond for her estate executor, Joseph Feather, was paid 19 Oct 1887 so she died before that date.
Her Will is dated 23 Jul 1887. Probate date is 2 Jan 1888. Wills, Probate Records, 1869-1970; Author: West Virginia. County Court (Preston County); Probate Place: Preston, West Virginia.
Was William in the Army? There's an 18 Feb 1830 or 31 enlistment that may be him. It lists his home county at that time as Botetourt, Virgina and occupation as farmer.