Charles Boyle, 3rd Earl of Cork and 2nd Earl of Burlington, 4th Baron Clifford, PC was an English peer, courtier and politician.

Richard Boyle, 1st Earl of Burlington, 2nd Earl of Cork was an Anglo-Irish nobleman who served as Lord High Treasurer of Ireland and was a Cavalier.

Richard Boyle, 3rd Earl of Burlington and 4th Earl of Cork, was an Anglo-Irish architect and noble often called the "Apollo of the Arts" and the "Architect Earl". The son of the 2nd Earl of Burlington and 3rd Earl of Cork, Burlington never took more than a passing interest in politics despite his position as a Privy Counsellor and a member of both the British House of Lords and the Irish House of Lords.

Henry Boyle, 1st Baron Carleton, was an Anglo-Irish Whig politician who sat in the Irish House of Commons from 1692 to 1695 and in the English and British House of Commons between 1689 and 1710. He served as Chancellor of the Exchequer and Secretary of State, and after he was raised to the peerage as Baron Carleton, served as Lord President of the council.
Richard Boyle, 1st Earl of Cork, also known as the Great Earl of Cork, was an English politician who served as Lord Treasurer of the Kingdom of Ireland.

William Cavendish, 4th Duke of Devonshire,, styled Lord Cavendish before 1729, and Marquess of Hartington between 1729 and 1755, was a British Whig statesman and nobleman who was briefly nominal Prime Minister of Great Britain. He was the first son of William Cavendish, 3rd Duke of Devonshire and his wife, Lady Catherine.

William Cavendish, 5th Duke of Devonshire,, was a British nobleman, aristocrat, and politician. He was the eldest son of William Cavendish, 4th Duke of Devonshire, by his wife, the heiress Lady Charlotte Boyle, suo jure Baroness Clifford, who brought in considerable money and estates to the Cavendish family. He was invited to join the Cabinet on three occasions, but declined each offer. He was Lord High Treasurer of Ireland and Governor of Cork, and Lord Lieutenant of Derbyshire. The 5th Duke is best known for his first wife Georgiana, Duchess of Devonshire. At the age of about twenty, Devonshire toured Italy with William Fitzherbert which is where they commissioned the pair of portraits by Pompeo Batoni.

Rowland FitzEustace, 1st Baron Portlester was an Irish peer, statesman and judge. He was one of the dominant political figures in late fifteenth-century Ireland, rivalled in influence only by his son-in-law Garret FitzGerald, the "Great" Earl of Kildare.

John de Troye was a Welsh-born Crown official and judge in fourteenth century Ireland, who held the offices of Chancellor of the Exchequer of Ireland and Lord Treasurer of Ireland. He was also a leading ecclesiastic, whose most senior office was Chancellor of St. Patrick's Cathedral, Dublin. He was a notable pluralist.