The Denkanoriai Incident, in which Sukemori was involved at the age of 13 (or perhaps 10), occurred when the Taira clan was at the peak of its influence, and is described as representing the beginning of the Taira clan's misdeeds in "The Tale of the Heike."
平氏一門の全盛期に、当時13歳（もしくは10歳）の資盛が関わった殿下乗合事件は、『平家物語』に「これこそ、平家の悪行のはじまり」として描かれている。