However, as the family's base had been in Kutsuki from the time of hatamoto (direct retainers of the bakufu, which is a form of Japanese feudal government headed by a shogun), it is thought that the Kutsuki Domain of the Edo bakufu existed during the eleven-year period after Tanetsuna became daimyo and before he gained Kanuma.
が、それ以前については旗本時代以来の本拠が朽木にあったことから、その大名取立てから鹿沼領有までの11年間は江戸幕府における朽木藩が存在したとされている。