In 1140, MINAMOTO no Masasada, Genji choja (the top of the Minamoto clan) of Murakami-Genji (Minamoto clan) took the posts of both Junnain Betto and Shogakuin Betto (chancellor of Shogakuin,) and after that, the custom that Genji choja served as both Junnain Betto and Shogakuin Betto continued until the Meiji Restoration.
保延6年（1140年）に村上源氏の源氏長者源雅定が淳和院と奨学院別当を兼務して以後、淳和院別当・奨学院別当は源氏長者を兼ねる慣例が生まれて明治維新まで継承された。