possibly Grudna-Grudzinski family, Poznan
General de Plaoutine, Saint Petersburg by 1902, Nice by 1917, and London by 1920
purchased 1923 by Lady Evelyn Mason (died 1944), cousin of General de Plaoutine's wife, London
by inheritence to her daughter, Mrs. L.A. Impey, Chilland, Hitchin Abbas, near Winchester
sale, Sotheby's, London, 16 March 1966, nr. 1, purchased by NGA