However, the Kotokui family were suppressed both in Onmyodo (the way of Yin and Yang, an occult divination system based on the Taoist theory of the five elements) by the Tsuchimikado family (Abe clan), and in rekigaku by the Tenmonkata (Astronomical Institute) of the Edo bakufu (Japanese feudal government headed by a shogun); therefore, the Kotokui family was, in later ages, limited to the preparation of rekichu (assorted information recorded in the almanac).
だが、陰陽道においては土御門家_(安倍氏)が、暦学においては江戸幕府天文方が圧迫を加えたために、後世の幸徳井家は専ら暦注のみを担当するにとどまった。