Input (grade 10): According to Nihon Shoki, he was the fourth son of Emperor Å jin and the father of Emperors RichÅ ", Hanzei, and IngyÅ.
Output (grade 10): According to Nihon Shoki, Nintoku was the fourth son of Emperor Å jin and the father of three emperors â "RichÅ", Hanzei, and IngyÅ.