Marquess of Lansdowne

==Holders==
 	From 	Until 	Name 	Lifespan
1.	6 December 1784 	7 May 1805 	The Most Hon. William Petty, 1st Marquess of Lansdowne, K.G., P.C. 	1737-1805
2.	7 May 1805 	15 November 1809	The Most Hon. John Henry Petty, 2nd Marquess of Lansdowne 	1765-1809
3.	15 November 1809	31 January 1863 	The Most Hon. Henry Petty-Fitzmaurice, 3rd Marquess of Lansdowne, K.G., P.C. 	
4.	31 January 1863 	5 July 1866 	The Most Hon. Henry Petty-Fitzmaurice, 4th Marquess of Lansdowne, K.G. 	1816-1866
5.	5 July 1866 	3 June 1927 	The Most Hon. Henry Petty-Fitzmaurice, 5th Marquess of Lansdowne, K.G., G.C.S.I., G.C.M.G., G.C.I.E., P.C.	1845-1927
6.	3 June 1927 	5 March 1936 	The Most Hon. Henry Petty-Fitzmaurice, 6th Marquess of Lansdowne, D.S.O., M.V.O. 	1872-1936
7.	5 March 1936 	20 August 1944 	The Most Hon. Charles Petty-Fitzmaurice, 7th Marquess of Lansdowne 	1917-1944
8.	20 August 1944 	25 August 1999 	The Most Hon. George Petty-Fitzmaurice, 8th Marquess of Lansdowne, P.C. 	1912-1999
9.	25 August 1999 	incumbent 	Charles Petty-Fitzmaurice, 9th Marquess of Lansdowne 	1941-