Signature of Lieutenant Governor of Virginia <a href="https://en.wikipedia.org/wiki/Alexander_Spotswood" class="extiw" title="en:Alexander Spotswood">Alexander Spotswood</a>.
The book's author is Charles Campbell.
Book dated of 1868.
<a rel="nofollow" class="external text" href="https://books.google.com.br/books?id=L_4UAAAAYAAJ&amp;printsec=frontcover&amp;dq=alexander+spotswood&amp;hl=pt-BR&amp;sa=X&amp;ei=93uZUNSzAoe40QHDzIFI&amp;ved=0CEMQ6AEwBQ#v=onepage&amp;q=alexander%20spotswood&amp;f=false">Genealogy of the Spotswood family in Scotland and Virginia</a> Page 19. Author: Charles Campbell.