Sir Robert Walpole, 1st earl of Orford [1676-1745], Houghton Hall, Norfolk, by 1736;[1] by inheritance to his son, Robert Walpole, 2nd earl of Orford [1700-1751], Houghton Hall; by inheritance to his son, George Walpole, 3rd earl of Orford [1730-1791], Houghton Hall; sold 1779 through Count Aleksei Semonovich Musin-Pushkin, Russian ambassador to England, to Catherine II, empress of Russia [1729-1796], Saint Petersburg; Imperial Hermitage Gallery, Saint Petersburg; sold February 1931 through (Matthiesen Gallery, Berlin; P. & D. Colnaghi & Co., London; and M. Knoedler & Co., New York) to Andrew W. Mellon, Pittsburgh and Washington, D.C.; deeded 1 May 1937 to The A.W. Mellon Educational and Charitable Trust, Pittsburgh; gift 1937 to NGA. [1] Horace Walpole, "A Catalogue of the Right Honble. Sir Robert Walpole’s Collection of Pictures," 1736, autograph manuscript unsigned, pp. 33-34, PML 7586, The Morgan Library and Museum, New York.