Duke of Berwick-upon-Tweed

==Holders==
 	From 	Until	Name 	Lifespan
1.	19 March 1687	1695 	The Most Noble James FitzJames, 1st Duke of Berwick-upon-Tweed, K.G.	1670-1734
Although attainted probably in 1695, he continued to be known as the Duke of Berwick until his death.
==Other Titles==
===Peerage of England===
*Earl of Tynemouth (1687), 1687-1695
*Baron Bosworth (1687), 1687-1695
===Peerage of Spain===
*Duke of Liria and Xerica (1707), 1707-1734
===Peerage of France===
*Duke of FitzJames (1710), 1710-1734