Nanbu Masanaga

Nanbu Masanaga was a Southern Court warrior, the fourth son of Nanbu Masayuki. In 1333 he fought in Nitta Yoshisada's Kamakura campaign and received lands at Shichinohe in Mutsu, helped Kitabatake Akiie root out Hōjō remnants and held Nejō Castle.

After his brother Moroyuki fell at Ishizu in 1338 he inherited the family and repeatedly refused Ashikaga surrender calls. In 1341 he routed the Hienuki and received sword and armor from Emperor Go-Murakami. He died in 1360, leaving Hachinohe to his grandson Nobumitsu.