There were some exceptions in this succession, as there were some individuals who did not assume the Tendai-zasu position, and 4 people out of 13 generations did not double as the Tendai-zasu position due to premature deaths or short reign.
ただし歴代中には例外的に天台座主には就任しなかった人もいて、13代のうち4人は早世または在位期間が短いため天台座主を兼任していない。