HCR diary 6.3.1839 re: sale of Aders' pictures "to have some catalogues sent to Germany and hope that Bunsen may assist in this"
Christian Karl Josias Freiherr von Bunsen (1791-1860) met Robinson in Rome in 1829, married about 1816 an Englishwoman Frances Waddington, his stepsister Christiane Bunsen born 1806 (Marquardt II p240 n)