Sansai HOSOKAWA, being such an excellent tea master that he was numbered among the Rikyu Shichitetsu (the seven disciples of SEN no Rikyu), transferred his family estate to Tadatoshi HOSOKAWA in the Kokura Domain, Buzen Province, and in 1625, Tadatoshi hired Soan FURUICHI, a son-in-law of Soin ENJOBO, as a sadoyaku (a tea-server sustaining Japanese tea ceremony) for the Hosokawa family.
細川三斎（細川忠興）は利休七哲に数えられるほどの達人であるが、豊前国小倉藩で細川忠利に家督を譲ると、忠利は寛永2年（1625年）に円乗坊宗圓の婿である古市宗庵を細川家の茶道役として召し抱えている。