Although became the 18th head of Ouchi clan, he had no real power, and the Ouchi clan can be viewed as having died out with the death of Yoshinaga OUCHI.
大内氏の第18代の当主とされるが、実権は既に無く、大内義長の死によって大内氏は断絶したと見るのが正しいと思われる。