Russell Creamer Langdon (1872-1963) , the son of Loomis Lyman Langdon (1830-1910), a contemporary of Whistler at West Point and native of Buffalo, who occasionally wrote for the newspapers. L.L. Langdon was on leave of absence in Europe from 29 June 1879 to 6 January 1880 and told Pennell that he met Whistler in Venice in 1879.
L.L. Langdon married Hattie Molleson Creamer, and their son Russell was born in Brooklyn on 20 June 1872. Like his father, he went into the army, graduating from West Point in 1892, and attaining the rank of Brigadier General. R.C. Langdon was twice married, first to Adria Maud Semple, and later to Lois Alene Demorest.
See Home of Captain Russell C. Langdon and Maude Semple Langdon, 1910-1911 , and Colonel Russell C. Langdon standing outside in uniform, August 30, 1934, photographs, Digital Collections, University Libraries, University of Washington, at