The other piece with which Addison ranks Pope's Essay on Criticism, was by John Sheffield, Duke of Buckingham, who was living when the
Spectator
first appeared. He died, aged 72, in the year 1721. John Sheffield, by the death of his father, succeeded at the age of nine to the title of Earl of Mulgrave. In the reign of Charles II he served by sea and land, and was, as well as Marlborough, in the French service. In the reign of James II. he was admitted into the Privy Council, made Lord Chamberlain, and, though still Protestant, attended the King to mass. He acquiesced in the Revolution, but remained out of office and disliked King William, who in 1694 made him Marquis of Normanby. Afterwards he was received into the Cabinet Council, with a pension of £3000. Queen Anne, to whom Walpole says he had made love before her marriage, highly favoured him. Before her coronation she made him Lord Privy Seal, next year he was made first Duke of Normanby, and then of Buckinghamshire, to exclude any latent claimant to the title, which had been extinct since the miserable death of George Villiers, Duke of Buckingham, the author of the
Rehearsal
. When the
Spectator
appeared John Sheffield had just built Buckingham House—now a royal palace—on ground granted by the Crown, and taken office as Lord Chamberlain. He wrote more verse than Roscommon and poorer verse. The
Essay on Poetry