When a group of a curator of Dutch trading house (the Kapitan) and Dutch translators paid a visit to the feudal government in Edo in the same year, Genpaku and Gennai HIRAGA visited the inn of Genemon NAGASAKIYA where the group was staying.
同年、オランダ商館長やオランダ通詞らの一行が江戸へ参府した際、玄白は源内らと一行の滞在する長崎屋源右衛門を訪問。