Keishi (also called Ie no tsukasa) refers to personnel who are in charge of household management placed in a household of the Imperial Prince and Princess, or a Court noble or a samurai family of Jusanmi (Junior Third Rank) or higher as Shikiji (another term for a royal secretary, kurodo, especially one who is concurrently posted as a controller).
家司（けいし/いえのつかさ）とは、親王・内親王家及び職事従三位以上の公卿・将軍家などの家に設置され、家政を掌る職員。