The 1st Duke of Kingston-upon-Hull (left), together with Charles Boyle, 2nd Earl of Burlington and John Berkeley, 3rd Baron Berkeley of Stratton in a group portrait by Godfrey Kneller.

Evelyn Pierrepont, 5th Earl and 1st Duke of Kingston-upon-Hull (c. 1655 – 5 March 1726), had been member of parliament for East Retford before his accession to the peerage in 1690. While serving as one of the commissioners for the union with Scotland he was created Marquess of Dorchester in 1706, and took a leading part in the business of the House of Lords. He was made a privy councillor and in 1715 was created Duke of Kingston; afterwards serving as Lord Privy Seal and Lord President of the Council. The Duke was a prominent figure in the fashionable society of his day. He was twice married, and had five daughters, among whom was Lady Mary Wortley Montagu, and Evelyn Pierrepont who married John Leveson-Gower, 1st Earl Gower; and one son, William, Earl of Kingston (died 1713).