↑ Family Record of John P. Estill of Clarksburg, West Virginia. Furnished by himself., in Estill, J.H. (John Holbrook). A family history. (Savannah, Georgia: J.H. Estill, 1903 (Savannah, Ga. : Savannah Morning News)) 67.
Isaac Estill ... married Elizabeth Strother Frogge ... Dec. 9th, 1788, and had twelve children— Agatha, Wallace, John Stuart, William, James Henderson, Charles, Benjamin, Sarah, Rufus King, Lewis, Floyd and Isaac...
