On the sixteenth day of the sixth month (fifteenth day of the fifth month in lunar calendar), the Taira clan decided to have prince Mochihito expelled from the imperial family and made a private citizen, to change his name to 'MINAMOTO no Mochimitsu' and moreover to banish him to Tosa province.
5月15日、平氏は以仁王を臣籍降下させ、「源以光」と改めた上で、土佐国への流罪を決定した。