William Lamb, 2nd Viscount Melbourne
Charles Grey, 2nd Earl Grey KG PC (13 March 1764 – 17 July 1845), known as Viscount Howick between 1806 and 1807, was a British Whig politician who was Prime Minister of the United Kingdom from 1830 to 1834. He was a descendant of the House of Grey and the namesake of Earl Grey tea. Grey was a long-time leader of multiple reform movements. During his time as prime minister, his government brought about two notable reforms. Wikipedia