抄録
According to the provisions of the Japanese Imperial House Law, the right of succession to the Imperial Throne is limited to men in the male line of the Emperor. On the other hand, the existence of a Queen (Empress) is accepted in all European monarchy at present. Additionally, there were no doubt 8 empresses in Japanese constitutional history. Therefore, in this thesis, I proposed adoption of the English style of the system of succession to the Imperial Throne in Japan.
