The fifth family head, Okinori HOSOKAWA cooperated with Shigekata HOSOKAWA of Honpan (the original domain) for the reformation of domain duties such as the foundation of the han school, Onchikan, and the farmland irrigation and the encouragement of new industries of local productions.
5代細川興文は本藩の細川重賢と協力して藩校温知館の創設や水道による農地灌漑・殖産興業に努めるなど藩政改革を行った。