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
Deputy Prime Minister of the United Kingdom and succeeded Winston Churchill's first premiership after their coalition broke up but only after a two-month interval when Attlee was not a member of the government. Anthony Eden succeeded Churchill after his second premiership, not because he had been Deputy Prime Minister, but because he had long been seen as Churchill's heir apparent and natural successor. The intermittent existence of a Deputy Prime Minister has been on occasion so informal that there have been a number of occasions on which dispute has arisen as to whether or not the title has actually been conferred. The position of Deputy Prime Minister