Kitsuki of Bungo Province had belonged to the Hosokawa family, and during the Keicho era (1596-1615), Yasuyuki MATSUI and Okinaga MATSUI had served as Jodai (keeper of castle) of Kitsuki-jo Castle.
豊後の杵築は細川家の領地で、慶長年間は杵築城代に松井康之・松井興長が任じられていた。