Lady Elizabeth Wriothesley (1646-90), later Countess of Northumberland, later Countess of Montagu. Portrait c.1662/1663 by Sir Peter Lely (1618–1680), Oil on canvas, 123 x 100 cm. Collection: National Trust, Petworth House, Sussex, accepted by HM Treasury, 1956, in lieu of death duties on the estate of Charles Henry Wyndham, 3rd Lord Leconfield, of Petworth House; transferred to the National Trust, Accession number: 486182