Consequently, either of the five families, namely the Sugawara clan, the Oe clan, the Southern House of the Fujiwara clan, the Ceremonial House of the Fujiwara clan and the Hino line of the Northern House of the Fujiwara clan interchangeably filled both of the two monjo hakase posts after the mid Heian period.
このため、平安時代中期以後は菅原氏・大江氏・藤原氏の南家・式家・藤原北家のうちの日野流の5つの家系が交互に文章博士2名に就いてその地位を占めるようになった。