There are several theories on his life from around the age of 19, the main ones of which include 'He went to Iga province and became a disciple of a ninja, and then he went to Kyoto and became a bandit,' and 'he eloped with the wife of a man he came to serve.'
19歳の頃からについては幾つかの説があり、主に「伊賀に渡り、忍者の弟子になった後、京へ出て盗賊になった」とか「奉公した男性の妻と駆け落ちした」などがある。