And yet, before the Ritsuryo system and in early Seshu the competence of successors also mattered, but as hereditary was established, the competence became less related to qualification of the successors.
もっとも、律令制以前及び初期の世習では継承者の能力についても問われたが、世襲が固定化されると能力と継承資格との関係は次第に希薄となっていった。