Ōgo Shigetoshi
Ōgo Shigetoshi, known as Ōgo Tarō, was a warrior of the late Heian period and an illegitimate son of Ashikaga no Nariyuki, chieftain of the Fujiwara-descended Ashikaga clan of Shimotsuke Province.
He took his name from the Ōgo estate in Seta District of Kōzuke Province, beneath Mount Akagi, founding the Ōgo warrior house, later counted among the eight leading clans of Jōshū. Temple tradition credits him with founding Chōzenji.