Marquess of Hertford (1793)

==Holders==
 	From 	Until 	Name 	Lifespan
1.	5 July 1793 	14 June 1794 	The Most Hon. Francis Seymour-Conway, 1st Marquess of Hertford, K.G., P.C. 	1718-1794
2.	14 June 1794 	17 June 1822 	The Most Hon. Francis Ingram-Seymour-Conway, 2nd Marquess of Hertford, K.G., P.C. 	1743-1822
3.	17 June 1822 	1 March 1842 	The Most Hon. Francis Charles Seymour-Conway, 3rd Marquess of Hertford, K.G., G.C.H., P.C.	1777-1842
4.	1 March 1842 	25 August 1870 	The Most Hon. Richard Seymour-Conway, 4th Marquess of Hertford, K.G. 	1800-1870
5.	25 August 1870 	25 January 1884 	General The Most Hon. Francis Seymour, 5th Marquess of Hertford, G.C.B., P.C. 	1812-1884
6.	25 January 1884 	23 March 1912 	The Most Hon. Hugh Seymour, 6th Marquess of Hertford, C.B., P.C. 	1843-1912
7.	23 March 1912 	16 February 1940	The Most Hon George Seymour, 7th Marquess of Hertford 	1871-1940
8.	16 February 1940	22 December 1997	The Most Hon. Hugh Seymour, 8th Marquess of Hertford 	1930-1997
9.	22 December 1997	 	The Most Hon. Henry Seymour, 9th Marquess of Hertford 	1958-
==Other Titles==
===Peerage of England===
*Baron Conway (1703), 1793-present
===Peerage of Ireland===
*Baron Conway and Killultagh (1712), 1793-present
===Peerage of Great Britain===
*Earl of Hertford (1750), 1793-present
*Earl of Yarmouth (1793), 1793-present
*Viscount Beauchamp (1750), 1793-present
*