The strongest heihoka in Japan' ("Tenka no Heihosha") is considered to be identical with 'the strongest heihoka in Japan, Yoshioka' ("Fuso Daiichi no Heijutsu Yoshioka") in the inscription of "Kokura Hibun," and that 'Yoshioka' is considered to be Yoshioka School of Heiho (art of warfare).
「天下の兵法者」は、『新免武蔵玄信二天居士碑』（小倉碑文）に記された「扶桑第一之兵術吉岡」、すなわち吉岡一門と考えられる。