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.
Marquess of Salisbury Marquess of Salisbury in the Peerage of Great Britain. He was succeeded by his eldest son, the second Marquess. He was a Conservative politician and held office as Lord Privy Seal and Lord President of the Council. Lord Salisbury married as his first wife Frances Mary Gascoyne, daughter of Bamber Gascoyne, in 1821. The same year he assumed by Royal licence the additional surname of Gascoyne. He was succeeded by his third but eldest surviving son, the third Marquess. The third Marquess was three times Prime Minister of the United Kingdom, from 1885 to 1886, 1886 to 1892 and 1895