In "Konjaku monogatari shu" (collection of tales of present and past) that were recorded approximately 100 years after the time of Yorimitsu and Michinaga, it is recorded that Kintoki served as a retainer of Yorimitsu.
頼光・道長の時代から100年ほど後に成立した『今昔物語集』では、公時の名の郎党が、頼光の家来として登場している。