Among kokujin-ryoshu, Miya clan, who served as bakufu's hokoshu (a military post in the Muromachi Shogunate,) was appointed as shugo of Bicchu Province and awarded with the title of yakata-go, in 1364.
国人領主に対しては貞治3年（1364年）、幕府奉公衆の宮氏が備中守護に補任され、屋形号を授けている。