Thomas Pelham-Holles, 1st Duke of Newcastle-under-Lyne, circa 1752, by William Hoare, pastel, circa 1752; 24 in. x 18 in. (610 mm x 457 mm). Given by Walter John Pelham, 4th Earl of Chichester, 1887. NPG 757. National Portrait Gallery, London © National Portrait Gallery, London.