The Naitō clan (内藤氏 Naitō-shi?) was a Japanese clan which claimed its descent from Fujiwara no Hidesato. was a Kuge (court bureaucrat of tenth century Heian Japan He is famous for his military exploits and courage and is regarded the common ancestor of the Ōshū The Naitō became daimyo during the Edo period. The ( were powerful territorial lords who ruled most of Japan from their vast hereditary land holdings The, also referred to as the Tokugawa period (徳川時代 Tokugawa-jidai) is a division of Japanese history running from 1603 to 1868