Before his ascension to the Chrysanthemum Throne , his personal name ( imina ) was Hatsusebe-shinn Å , also known as Hatsusebe no Waka-sazaki . Before his ascension to the Chrysanthemum Throne , his personal name ( his imina ) was Hatsusebe-shinn Å , also known as Hatsusebe no Waka-sazaki .