Jacob and other members of the Miller family appears to have had some connection with the Claypool family of Hardy Co., VA. See Descendants of Jacob Miller of the Duchy of Wurttemburg website.

From Hardy Co., VA Land Transactions, 20 Sep 1794:

THIS INDENTURE made this twentieth Day of September in the year of our Lord one thousand seven thousands and ninety four Between Jesse Claypool and Elizabeth his wife of the County of Hardy and state of Virginia of the one Part and Lional Branson of the County and state aforesaide of the other Part. Witness: Anthony Miller, David Wilson, Jacob Miller.

Jacob Miller listed as witness to Hardy Co (W) VA Will of John Claypool, 10 Apr 1814.

Jacob Miller appointed Executor for Hardy Co (W) VA Will of John Claypool, 2 Oct 1819.

Jacob Miller listed as witness for Hardy Co (W) VA Probate for John Claypool, 9 Sep 1823.

Also, from Hardy Co., VA Estate Sale, Febuary 1822:

HARDY CO (W) VA WILL BOOK , VOL 3 (1819-1824), p. 143: Estate Sale for George Wilkins, 12 Feb 1822. Buyers include Abraham Barb, Abraham Fravel, Benjamin Fravel, Reuben Fravel, William Fravel, Anthony Miller, George Miller Sr., Jacob Miller, Jacob Miller of Shenandoah, John Miller, William Miller, Michael Trumbo, Caty Wilkins, Lydia Wilkins and others. Adms: George Wilkins and Jacob Wilkins.