Yet, although chamberlains of Rokui (Sixth Rank) were low-ranking court officials called Jigenin, they were permitted to enter the Hall; besides, there were cases--though few cases--when a chamberlain of Rokui served as the highest ranked chamberlain called 'gokuro' three times in his lifetime, or the family of the chamberlain of Rokui produced the highest ranked chamberlain for three successive generations, they were raised to Toshoke.
また、六位蔵人は地下人であっても昇殿が許され、その中でもっとも上位である極臈を1代で3度務めるか、3代連続で務めた家は堂上家となる例があったが実例は少ない。