High Quality Content by WIKIPEDIA articles! William Wyndham Grenville, 1st Baron Grenville PC, PC (Ire) (25 October 1759 12 January 1834) was a British Whig statesman and Prime Minister. Grenville studied at Eton, Christ Church, Oxford, and Lincoln's Inn. The son of Whig Prime Minister George Grenville and Elizabeth Wyndham, daughter of Tory statesman Sir William Wyndham, 3rd Baronet, he entered the House of Commons in 1782 where his elder brother, Thomas, was already sitting as an MP.