(except for the case where Michisuke KARAHASHI, a son of MINAMOTO no Michichika, and Masanori KARAHASHI, Michisuke's son, were appointed after the death of MINAMOTO no Michichika, the case where Michiteru KOGA's son Masatada NAKANOIN (a different family from the Nakanoin family) was appointed in the era of the Emperor Kameyama, the case where Chikafusa KITABATAKE of Kitabatake family, a branch family of Nakanoin family, was appointed in the era of the Emperor Godaigo due to the lack of appropriate person in the four families, and the case where Arimitsu ROKUJO of Rokujo family, a branch family of the Koga family, was appointed in the era of the Emperor Komyo)
（例外として、源通親の没後に弟の唐橋通資・唐橋雅規親子が任じられた例や亀山天皇の時代に久我通光の子中院雅忠（中院家とは別家）が任じられた例、四家に適任者がいないという理由で後醍醐天皇の時に中院家の分家である北畠家の北畠親房が、同じく光明天皇の時に久我家の分家である六条家の六条有光が任命されている）