The KOTOKUI family was based in Nanto, Nara, and was a Jige-ke (family status of non-noble retainers who are not allowed into the Emperor's living quarters in the imperial palace)that served and practiced Onmyodo (a way of Yin and Yang; occult divination system based on the Taoist theory of the five elements).under the government.
幸徳井家（こうとくいけ/かでいけ）は、南都奈良を根拠地とした陰陽道を家業とする地下家の官人。