As his official profile given posthumously says that he seemed to be intelligent and sharp, read through many books, and like to write very much, ISONOKAMI no Yakatsugu's one describes them as 'top literary men.'
卒伝に「性識聡敏にして群書を渉覧しもっとも筆札を好む」と見え石上宅嗣（いそのかみのやかつぐ）の卒伝に二人が「文人の首」と称されたとある。