19th century Parchment Document dated 1847 Handwritten document Probate of the Will of Earl Grey (Prime Minister 1830-1834) Charles Grey, 2nd Earl Grey (13 March 1764 - 17 July 1845), known as Viscount Howick between 1806 and 1807, was a British Whig politician, who served as Prime Minister of the United Kingdom from 1830 to 1834. As Prime Minister Grey won adoption of the Great Reform Act of 1832 which expanded the electorate in the United Kingdom; and passed the Slavery Abolition Act of 1833 which abolished slavery in the British Empire.74 x 64cm