After Nagayori recaptured Yagi-jo Castle, he took on the responsibility of being guardian to Chikatsumaru, yet regardless, he succeeded to the Naito clan surname, changing his name to Munekatsu NAITO.
長頼は八木城を奪取した後、千勝丸の後見を務め、尚且つ、内藤氏の名跡を受け継ぎ、内藤宗勝と改名した。