Among them, two families which served as kurodo for generations were promoted to toshoke (the hereditary lineage of Court nobles occupying relatively high ranks) (hanke [lowest rank for toshoke] [kuge - court nobles]) on January 22, 1848 duging the last stage of the Edo Period (last promotion to toshoke).
この内、代々蔵人を勤めた2家は江戸時代後期の弘化4年12月17日(旧暦)（1848年1月22日）堂上家（半家(公家)）に列せられた（最後の堂上家昇格）。