John Charles Villiers, 3rd Earl of Clarendon (14.xi.1757 - 22.xii.1838): 27.xi.1808 - 10.i.1810 Ambasador to Portugal - Charles Stuart (1779-1845) replacing him in February of 1810 to 1814. He was MP for Queenbourough 1807-1812.

For two different views of Villiers See footnote 4:

http://books.google.com/books?id=q-w8AAAAIAAJ&pg=PA151

and

http://books.google.com/books?id=74FHAAAAYAAJ&pg=PA317

Background:

http://books.google.com/books?id=MjAwAAAAYAAJ&pg=PA408