James Gascoyne-Cecil, 2nd Marquess of Salisbury James Gascoyne-Cecil, 2nd Marquess of Salisbury James Brownlow William Gascoyne-Cecil, 2nd Marquess of Salisbury, (17 April 1791 – 12 April 1868), styled Viscount Cranborne until 1823, was a British Conservative politician. He held office under the Earl of Derby as Lord Privy Seal in 1852 and Lord President of the Council between 1858 and 1859. He was the father of Robert Gascoyne-Cecil, 3rd Marquess of Salisbury, three times Prime Minister of the United Kingdom, and grandfather of Arthur Balfour, who also served as Prime Minister. Salisbury was the son of James Cecil, 1st Marquess of Salisbury, and Lady Emily Mary
Prime Minister of the United Kingdom of Prime Minister, and to the historic link between the Premiership and the office of First Lord of the Treasury, by providing in respect to that position and office a salary of ..." The Act made a distinction between the "position" (Prime Minister) and the "office" (First Lord of the Treasury), emphasising the unique political character of the former. Nevertheless, the brass plate on the door of the Prime Minister's home, 10 Downing Street, still bears the title of "First Lord of the Treasury", as it has since the 18th century as it is officially the home of the First