Duke of Somerset (1547)

==Holders==
 	From 	Until 	Name 	Lifespan
1. 	16 February 1547 	22 January 1552 	The Most Noble Edward Seymour, 1st Duke of Somerset, K.G., P.C. 	1500-1552
2. 	13 September 1660	24 October 1660 	The Most Noble William Seymour, 2nd Duke of Somerset, K.G., P.C. 	1587-1660
3. 	24 October 1660 	12 December 1671	The Most Noble William Seymour, 3rd Duke of Somerset 	1652-1671
4. 	12 December 1671 	29 April 1675 	The Most Noble John Seymour, 4th Duke of Somerset 	1628-1675
5. 	29 April 1675 	20 April 1678 	The Most Noble Francis Seymour, 5th Duke of Somerset 	1658-1678
6. 	20 April 1678 	2 December 1748 	The Most Noble Charles Seymour, 6th Duke of Somerset, K.G., P.C. 	1662-1748
7. 	2 December 1748 	7 February 1750 	The Most Noble Algernon Seymour, 7th Duke of Somerset 	1684-1750
8. 	7 February 1750 	15 December 1757	The Most Noble Edward Seymour, 8th Duke of Somerset 	1695-1757
9. 	15 December 1757 	2 January 1792 	The Most Noble Edward Seymour, 9th Duke of Somerset, P.C. 	1718-1792
10.	2 January 1792 	15 December 1793	The Most Noble Webb Seymour, 10th Duke of Somerset 	1718-1793
11.	15 December 1793 	15 August 1855 	The Most Noble Edward Adolphus St. Maur, 11th Duke of Somerset, K.G. 	1775-1855
12.	15 August 1855 	28 November 1885	The Most Noble Edward Adolphus St. Maur, 12th Duke of Somerset, K.G., P.C. 	1804-1885
13.	28 November 1885 	12 January 1891 	The Most Noble Archibald Henry Algernon St. Maur, 13th Duke of Somerset 	1810-1891
14.	12 January 1891 	2 October 1894 	The Most Noble Algernon Percy Banks St. Maur, 14th Duke of Somerset 	1813-1894
15.	2 October 1894 	22 October 1923 	The Most Noble Algernon St. Maur, 15th Duke of Somerset 	1846-1923
16.	22 October 1923 	5 May 1931 	The Most Noble Edward Hamilton Seymour, 16th Duke of Somerset, K.B.E., C.B., C.M.G.	1860-1931
17.	5 May 1931 	26 April 1954 	The Most Noble Evelyn Francis Edward Seymour, 17th Duke of Somerset, D.S.O., O.B.E.	1882-1954
18.	26 April 1954 	15 November 1984	The Most Noble Percy Hamilton Seymour, 18th Duke of Somerset 	1910-1984
19.	15 November 1984 	 	The Most Noble John Michael Edward Seymour, 19th Duke of Somerset 	1952-
==Other Titles==
===Peerage of England===
*Marquess of Hertford (1640), 1660-1675
*Earl of Hertford (1537), 1547-1552
*Earl of Hertford (1559), 1660-1750
*Viscount Beauchamp (1536), 1547-1552
*Baron Seymour (1547), 1547-1552, 1660-1863, 1869-present
*Baron Beauchamp (1559), 1660-1750
*Baron Seymour of Trowbridge (1641), 1675-1750
===Peerage of Great Britain===
*Earl of Northumberland (1749), 1749-1750
*Earl of Egremont (1749), 1749-1750
*Baron Percy (1723), 1748-1750
*Baron Warkworth (1749), 1749-1750
*Baron Cockermouth (1749), 1749-1750
===Peerage of the United Kingdom===
*Earl St. Maur (1863), 1863-1885
===Baronetage of England===
*Seymour baronets of Berry Pomeroy (1611), 1750-present