It became a customary practice that Genji choja (the top of the Minamoto clan) took the office as an additional post, and eventually members of the Murakami-Genji (Minamoto clan) held Shogakuin Bettoshoku and Junnain (the detached palace of Emperor Junna) Bettoshoku by succession.
奨学院別当職は、源氏長者が兼務する慣例となり、結果として村上源氏の者が淳和院別当職と共に世襲した。