Josceline Percy, 11th Earl of Northumberland (1644-1670), portrait circa 1664/70-73 by Sir Peter Lely (1618–1680), collection of National Trust, Petworth House, Sussex. Provenance: accepted by HM Treasury, 1956, in lieu of death duties on the estate of Charles Henry Wyndham, 3rd Baron Leconfield, of Petworth House; transferred to the National Trust