Eustace Balfour of James Gascoyne-Cecil, 2nd Marquess of Salisbury. His paternal grandfather James Balfour was a nabob who had made the family's fortune as a contractor supplying the Royal Navy in India and became a Tory Member of Parliament (MP), while his mother's father was a Conservative cabinet minister in the 1850s. Her brother, Robert Gascoyne-Cecil, 3rd Lord Salisbury, was three times Prime Minister before being succeeded in 1902 by Eustace's elder brother Arthur Balfour. Eustace Balfour was educated at Harrow and at Trinity College, Cambridge, where he graduated in 1873. He then studied architecture under Basil Champneys, the designer of Newnham
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