However, we should bear in mind that having the Three Sacred Treasures of the Imperial Family is not always the crucial condition of the succession to the Imperial throne, as there was a case that Emperor Gotoba even without the three treasures succeeded to the throne.
ただし、後鳥羽天皇のように三種の神器を持たなくても即位した例があるので、必ずしもこれらが皇位継承の絶対条件ではないことに注意する必要がある。