Emperor Monmu
According to the Nihon Shoki in the fifth month, on the fifth day of 679 A.D. Prince Osakabe, Prince Kusakabe, Prince Otsu, Prince Takechi, Prince Kawashima, and Prince Shiki, all swore to Emperor Tenmu that they wouldn't engage in future succession disputes. This occurred after Emperor Tenmu ascended the throne after the Jinshin War. In the first months of 704 A.D. he, Prince Naga, Prince Toneri, and Prince Hozumi were collectively awarded two hundred households by Emperor Monmu and Empress Genmei.