 Araki Matemon studied Yagyū Shinkage-ryū under Yagyū Munenori and later received permission from Yagyū Jūbei to use the Yagyū family-name in the Yagyū Shingan-ryū.Araki Mataemon was a very strong warrior, and his feud against the samurai Kawai Matagorō is one of the most famous in Japan.Matagoro killed Gendayu, the little brother of Mataemon's brother in law, Watanabe Kazuma.