The lives of "Jiro Saburo Motonobu SERATA" and the character of his father, Matsumoto EDA, reflect the legend that was passed down from the founder of the TOKUGAWA Clan, Chikauji MATSUDAIRA.
これら、「世良田二郎三郎元信」の経歴やその父江田松本坊なる人物は徳川氏に伝わる始祖松平親氏の伝説と類似している。