He states that he and Azato 's son used to go and train with Itosu together .
In this book Funakoshi does not name a single kata taught by Azato or Matsumura .
Matsumura states that Matsumura and Azato 's son used to go and train with Itosu together .
In this book Funakoshi does not name a single kata taught by Azato or Matsumura .