"Upon the decease [of] my wife, it is my Will and desire th[at] all the Slaves which I hold in [my] own right, shall receive their free[dom] . . . . The Negroes thus bound, are (by their Masters or Mistresses) to be taught to read and write; and to be brought up to some useful occupation, agreeably to the Laws of the Commonwealth of Virginia, providing for the support of Orphan and other poor Children. And I do hereby expressly forbid the Sale, or transportation out of the said Commonwealth, of a"