The second case is the forty-ninth Emperor Konin who was the male-line grandson of the thirty-eighth Emperor Tenji; his father, Prince Shiki who possessed the right to the imperial throne, was the son of thirty-eighth Emperor Tenji.
もう1つは第49代光仁天皇の場合で、彼は第38代天智天皇の男系の孫であるが、父親は皇位継承権を持った親王、第38代天智天皇の子志貴皇子であった。