William, as fourth Duke of Devonshire, who had, during his father’s lifetime, been called to the Upper House by the title, hitherto of courtesy, of Marquis of Hartington. His grace was made Master of the Horse, a Privy Councillor, one of the Lords of the Regency, Governor of the County of Cork, Lord High Treasurer of Ireland, Lord-Lieutenant of Ireland, First Commissioner of the Treasury, and Chamberlain of the Household, &c. He married Charlotte, daughter, and ultimately heiress, of Richard Boyle, Earl of Burlington and Cork, by which alliance—the lady being Baroness Clifford in her own right—the barony of Clifford came into the Cavendish family. The issue of this marriage was three sons and one daughter—viz., William, who succeeded to the title and estates; Lord Richard, who died unmarried; Lord George Augustus Henry, who was created Earl of Burlington, from whom the present noble Duke of Devonshire is descended; and Lady Dorothy, married to the Duke of Portland. William, fifth Duke of Devonshire, married—first, the Lady Georgiana, daughter of Earl Spencer, one of the most accomplished and elegant women of the time, and who is best and most emphatically known as “the beautiful Duchess,” by whom he had issue one son, William Spencer Cavendish (who succeeded him), and two daughters, the Lady Georgiana, married to the Earl of Carlisle; and the Lady Harriet Elizabeth, married to Earl Granville. His grace married secondly the Lady Elizabeth Foster, daughter of the Earl of Bristol, and widow of John Thomas Foster, Esq. On his death, in 1811, the title and estates passed to his only son— William Spencer Cavendish, sixth Duke and ninth Earl of Devonshire, one of the most kindly, generous, and liberal-minded men, and one of the most zealous patrons of art and literature. He was born in Paris in 1790, and, besides holding the office of Lord High Chamberlain, &c., went on a special embassy to Russia from the British court. This embassy his grace conducted on a scale of princely magnificence at his own charge, and concluded it to the entire satisfaction of both nations. By him the modern improvements of Chatsworth were, with master-mind and lavish hand, planned and carried out. His grace, who never married, died in January, 1858, and was succeeded in his titles and estates—with the exception of the barony of Clifford, which fell into abeyance between his sisters—by his second cousin, the present noble head of the house, who was grandson of the first Earl of Burlington. The sixth Duke—the “Good Duke,” for by that title he is known best, and it is as amply merited by the present noble peer—was, by express wish, buried in the churchyard at Edensor, just outside the park at Chatsworth, where a plain and perfectly simple coped tomb, with foliated cross, covers his remains.