Some belongings left by Shinran and a part of his skull were carried to the Kanto region by disciples such as Zensho, and placed into the "Inada no soan" in which Shinran lived while preaching in the Kanto region.
頂骨と遺品の多くは弟子の善性らによって東国（関東）に運ばれ、東国布教の聖地である「稲田の草庵」に納められたとも伝えられる。