Kokamonin was the only daughter of the legal wife of Tadamichi, and Tadamichi would not act indifferently to the departure of the emperor from the capital (Tadamichi became the victor after a hard battle in the Hogen War which destroyed the structure of Sekkan Family.)
皇嘉門院は、忠通の嫡妻腹の一人娘で、忠通がその遷幸を傍観するはずがないのである（忠通は、摂関家の体面を粉々に潰した保元の乱において、辛うじて戦勝者となっている。)