One theory is that the gravestone composed of five pieces was her grave established before one's death, while another theory is that the letter of the Society of Jesus at that time stated that the wife of Ukita Assistant Master of the Eastern Capital Offices died of disease in Okayama in that period; consequently, a more recent theory is that it is appropriate to assert that Hosenni is this woman based on the time of her death and the name 'Lady of Ukita clan.'
そこで同塔を生前の逆修墓とする見解もあるが、これも当時のイエズス会士の書簡によると、この頃宇喜多左京亮の室が岡山で病死したとあり、時期や「宇喜多氏御前」との名義から、この人物に比定するのが妥当との見解が近年出されるに至っている。