Several other members of the Cecil family have gained distinction. Lord Eustace Cecil, fourth son of the second Marquess, was a Lieutenant-Colonel in the Army and Member of Parliament. His son Evelyn Cecil was a Conservative politician and was created Baron Rockley in 1934. The Right Reverend Lord William Gascoyne-Cecil, Bishop of Exeter, Robert Cecil, 1st Viscount Cecil of Chelwood, Lord Edward Cecil and Hugh Cecil, 1st Baron Quickswood, were all younger sons of the third Marquess. Lord David Cecil, Professor of English Literature at the University of Oxford, was the second son of the fourth Marquess, while the journalist Lord Richard Cecil was the second son of the sixth Marquess. Also, Lady Blanche Gascoyne-Cecil, daughter of the second Marquess, was the mother of Prime Minister Arthur Balfour, 1st Earl of Balfour.