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
Prime Minister of Australia is always the case. The only case where a member of the Senate was appointed Prime Minister was John Gorton, who subsequently resigned his Senate position and was elected as a member of the House of Representatives. Despite the importance of the office of Prime Minister, the Constitution does not mention the office by name. The conventions of the Westminster system were thought to be sufficiently entrenched in Australia by the authors of the Constitution that it was deemed unnecessary to detail them. The formal title of the portfolio has always been simply "Prime Minister", except for the period of