"It is a fascinating read, and I am now convinced that John Markham was the ancestor of Chief Justice John Marshall. Many cheers to Kathleen Shelby Boyett for her great job of research " David W. MorganJohn Markham operated a mercantile business in Alexandria, Virginia from the 1680s through the early part of the eighteenth century. To fill his coffers, he traded back and forth with his native England for goods that the Colonies needed and vice-versa...