"Ujidainagon monogatari (The Tale of Uji Dainagon (chief councilor of state))," which was quoted in "Kachoyojo," the old notes written by Kaneyoshi ICHIJO, states that Murasaki Shikibu's father FUJIWARA no Tametoki wrote an outline of "The Tale of Genji" and had his daughter Murasaki Shikibu write down the details.
古注の一条兼良の『花鳥余情』に引用された『宇治大納言物語』には、『源氏物語』は紫式部の父である藤原為時が大筋を書き、娘の紫式部に細かいところを書かせたとする伝承が記録されている。