Your Nehemiah Markenshain is listed twice once on page 5; and once on page 14, in The "Buckingham County, Virginia Surveyor's Plat Book 1762-1858. Second Edition" by Eric Grundset, they only list his neighbors. Published by: Genealogical Publishing Co., Inc. for: Clearfield Company, Inc. Baltimore, MD. McShane is also listed twice in the 1787