1st Marquess of. See (William Petty Fitzmaurice) Shelburne
Shelburne in British English
(ˈʃɛlbɜːn)
noun
2nd Earl of, title of William Petty Fitzmaurice, also called (from 1784) 1st Marquess of Lansdowne. 1737–1805, British statesman; prime minister (1782–83)