However, the general rule was no longer existed and there were a lot of 'den' (history), which were irrelevant to 'rekko' (titled liege) in "Shiki" such as den of Xiongnu, den of Korea and den of an unsparing officials, so it may be better to understand that 'retsuden' is just a series of 'den.'
しかしながら、『史記』の中ですでにその原則は崩れており、匈奴や朝鮮、酷吏列伝など列侯とは到底関係ない伝がいくつも立てられおり、単に伝を連ねたものと解釈した方が良いかもしれない。