This minimized the risk of dispersing their fortunes and ranks; chakuryu, who held nobility and legitimacy of blood, were those who could advance the status of their clans and were greatly favored over the shoryu in terms of official ranks, for example.
これによって一族の財産や地位の分散を最小限に止め、血筋の尊貴さと正当性を有する嫡流は氏族の栄達を成し遂げ得る存在であり、庶流とも官位などの面で大きな差がつけられた。