Goro HIRAYAMA was a disciple of Fukutaro HORIKAWA (堀川福太郎), a former retainer of the feudal lord of the Himeji domain, and a full master in the Shindo-Munen-ryu school of swordsmanship.
元姫路藩士堀川福太郎の門人で神道無念流の免許皆伝。