Later his foster father took a new wife and had one son and two daughters, but Baiko was still brought up just like a real son, so he did not know that he was an adopted child until he was over fifteen years old.
のちに養父六代目は後妻との間に1男2女をもうけるが、実子同様に育てられたため、本人が養子であることを知ったのは15歳を過ぎてからだという。