In later years, Hakamadare was thought to be the same as Yasumasa's younger brother FUJIWARA no Yasusuke and was called 'Hakamadare Yasusuke,' but the story in Konjaku monogatari is logically difficult to consider as a story between brothers and therefore Hakamadare and FUJIWARA no Yasusuke are thought to be different people.
また、後世袴垂は保昌の弟藤原保輔と同一視され、「袴垂保輔」と称されたが、今昔物語の説話が兄弟同士の間での話とは考えにくい為、実際は袴垂と藤原保輔は別人と考えられている。