James Gascoyne-Cecil, 4th Marquess of Salisbury son, David. James Gascoyne-Cecil, 4th Marquess of Salisbury James Edward Hubert Gascoyne-Cecil, 4th Marquess of Salisbury, (23 October 1861 – 4 April 1947), known as Viscount Cranborne from 1868 to 1903, was a British statesman. Born in London, Salisbury was the eldest son of Robert Gascoyne-Cecil, 3rd Marquess of Salisbury, who served as British Prime Minister, by his wife Georgina (née Alderson). The Right Reverend Lord William Cecil, Lord Cecil of Chelwood and Lord Quickswood were his younger brothers and Prime Minister Arthur Balfour his first cousin. He was educated at Eton and University College, Oxford, graduating BA in 1885.
Deputy prime minister Australia and provinces of Canada each have the analogous office of deputy premier. In the devolved administrations of the United Kingdom, an analogous position is that of the deputy first minister but the position in Northern Ireland has the same powers as the First Minister. A deputy prime minister traditionally serves as acting prime minister when the real prime minister is temporarily absent or incapable of exercising his/her power. The deputy prime minister is often asked to succeed to the prime minister's office following the prime minister's sudden death or unexpected resignation, but that is not necessarily mandated by the