『武家名目抄』によれば、太田氏・進士氏の世襲の職とされているが、進士氏が年始の式三献など恒例行事の供御を務めた例はあるものの、次のような記事が見られるため、供御方そのものは必ずしも特定の氏の世襲ではなかったと考えられている。

According to "Buke Meimoku-sho" (Compilation of historical data of the Edo period), this had been a hereditary post of the Ota and Shinshi clans, although there were some records about the annual events such as New Year's rite - shikisankon (three trays of drink and food) - in which the Shinshi clan took charge of the meals for the shogun, it seems that Kugokata itself was not constantly occupied by specific clans, because there are such cases as follows - Wikipedia日英京都関連文書対訳コーパス

山内首藤経俊はこの襲撃事件を平氏反乱の兆しとは気づかず、12月25日に侍所別当和田義盛が幕府に事件の張本を伊勢国員弁郡の郡司進士行綱と報告し、翌元久元年（1204年）2月、行綱は召し捕られ囚人とされた。

Tsunetoshi YAMANOUCHI SUDO did not recognize this attack as a rebellion of the Taira clan and Samurai-dokoro betto (the superior of the board of retainers), Yoshimori WADA, reported to the bakufu that the incident was caused by Yukitsuna SHINSHI, gunji (official of a county) of Inabe County, Ise Province, who was captured and sent to prison in March 1204. - Wikipedia日英京都関連文書対訳コーパス

室町時代には足利氏征夷大将軍家に仕えた四条流の庖丁人（料理人）・大草公次（三郎左衛門）が「大草流」起こす、畠山氏（詳細不明）から畠山流も起こる、その畠山流の由来、その仕立て方、庖丁式、食事作法など膳部一切を旗本進士次郎左衛門尉へ伝え進士流が起こる、公家社会のみならず武家社会における料理においても、四条流の分派が浸透しはじめた。

In the Muromachi period, - Kimitsugu (Saburozaemon) OKUSA (a master of kitchen-knife (cooker) of Shijo School) who had served the Shogun family of Ashikaga clan established 'Okusa School,' - also, Hatakeyama School started from the Hatakeyama family (detailes unknown), - the origin of Hatakeyama School and everything from its preparation to manners including the recipe, kitchen-knife method, and table manners were transferred to the Shogun's retainer, Jiro SHINJI Saemon no jo (third-ranked officer of the Left Division of Outer Palace Guards) who was to establish the Shinji School, and - branches of Shijo School started to take hold in the cuisine not only in Court noble society but also in Bushi society. - Wikipedia日英京都関連文書対訳コーパス