On July 31, 1129, the year Imperial Prince Motohito was born, the Cloistered Emperor Shirakawa died at seventy seven years of age, who had taken three generations of political control for the young emperors', after his death, Taikenmonin's life changed for the worse.
本仁親王の生まれた年、大治4年（1129年）7月7日、「幼主三代の政を執」った77歳の白河法皇が崩御し、これを機にして待賢門院の人生は暗転する。