The story that evolves from being born from a shin or a finger, and the birth of a small animal to marriage by trickery is old, but is newer than the figure of Issunboshi in Otogi Zoshi.
脛指からの誕生や小動物の誕生から策略による結婚への展開は古く御伽草子の一寸法師形よりは新しい。