(According to another theory, Yorozuya was from the Ogawa clan, the local ruling family in Ogawa-go, Yoshino Country, Yamato Province), there is also a theory which argues that he was also the son of Suketada, called Umanosuke, and he and Mitsuuji OGAWA were the same person.
（他説に萬屋は大和国吉野郡小川郷の豪族の小川氏の出自との伝えもある）または、同じ祐忠の子の右馬允、小川光氏と同一人物とする説もある。