On Musashi's tombstone in Yuge (Kumamoto City, Kumamoto Prefecture) is written "Shinmen Musashi Koji" ('Koji' is a title for the man who devotes himself to Buddhism without becoming a priest); on the stone monument in Kokura (Kitakyushu City, Fukuoka Prefecture) "Shinmen Musashi Harunobu Niten Koji-Hi" (known as "Kokura Hibun"), which Musashi's adopted son Iori (Sadatsugu MIYAMOTO) erected nine years after Musashi had died, is written "Banshu Akamatsu-matsuryu Shinmen Musashi Harunobu Niten Koji" ('Banshu' is old Harima Province, 'Akamatsu-matsuryu' means 'originates from the Akamatsu clan').
熊本市弓削の墓碑は「新免武蔵居士」、養子伊織が武蔵死後9年目に建てた『新免武蔵玄信二天居士碑』（小倉碑文）には「播州赤松末流新免武蔵玄信二天居士」とある。