shelburne

noun

1. William Petty Fitzmaurice, 2nd Earl of, 1st Marquess of Lansdowne. William Petty Fizmaurice Lansdowne.

noun

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