(However, this remark was only written in "Horyakukanki" [A History Book of the 14th century in Japan] and his kishomon [sworn oath] was submitted two months after the incident of the Soga brothers, so this story could be a lie or even a dark plot by Masako.)
（ただし政子に謀反の疑いがある言葉をかけたというのは『保暦間記』にしか記されておらず、また曾我兄弟の事件と起請文の間が二ヶ月も空いている事から、政子の虚言、また陰謀であるとする説もある）