The 'Tokiwa Kuruwa' (walls of a castle) abutting the main keep of Koriyama-jo Castle(Yamato Province) were said to have been called 'Honmaru Hoin Kuruma,' sinceIchian was given a yashiki (mansion of a feudal lord) here, but they were renamed when the Yanagisawa clan took control of the domain in the Edo period.
郡山城(大和国)本丸に属する「常盤曲輪」は、一庵がここに屋敷を与えられたので、「本丸法印曲輪」といわれていたが、江戸時代に柳沢氏が藩主になった時に改称された。