Men of culture regarded as being of the first-rank such as Kiyoshi MATSURA, a daimyo (feudal lord) of a 63,000 koku fief in Hirado Domain in Kyushu (also known as 松山, 流水 and 柳水), Hokusai KATSUSHIKA (aka 卍), the founder of dodoitsu (Japanese popular love songs of the Edo period in the 7-7-7-5 syllable pattern) Senka DODOITSUBO and Tanehiko RYUTEI, the author of the 'Nise Murasaki Inaka Genji' (The False Murasaki and the Rustic Genji)' (aka 木卯) lined up to be Senryu IV's pupils.
四世川柳の門人には、九州・平戸藩6万3千石の大名・松浦清（柳号・松山、流水、柳水）や葛飾北斎（柳号・卍）、都々逸の創始者・都々逸坊扇歌、「偐紫田舎源氏」の作者・柳亭種彦（柳号・木卯）など、当時一流の文化人が名を連ねている。