Naganori was only 17 years old according to the traditional Japanese way of counting (15 years old according to the current way of counting) and Kuranosuke OISHI from his hometown was only 25 years old according to that way of counting, though he was already given the title of Hitto karo (the head of chief retainers).
長矩は依然数え年で17歳（満15歳）であり、国許の大石内蔵助もすでに筆頭家老の肩書は与えられていたとはいえ、数え年で25歳にすぎない。