He played an important role as a young and active court noble, advocating Sonno Joi (19th century slogan advocating reverence for the Emperor and the expulsion of foreigners) in the Imperial Court at the end of Edo bakufu (Japanese feudal government headed by a shogun).
少壮の公家として、幕末の朝廷で尊皇攘夷を唱え活躍した。