The Bokuhan family which Ryochin started was admitted hegemony of Kaizukaterauchi-cho Town from Ieyasu TOKUGAWA, and its territory maintained towards the end of the Edo Period as a territory in the temple that was rare throughout the period.
了珍に始まる卜半家は、徳川家康より貝塚寺内町の支配を認められ、その領地は江戸時代を通じて数少ない寺内領として幕末に至った。