In addition, Koreyoshi was assigned to Sagami no kuni no kami (a governor of Sagami Province) on September 1185, which meant that the father and son pair were in charge of the governors of the important provinces near Kamakura.
また文治元年（1185年）8月には惟義が相模国守となり、鎌倉に近い有力国の国司を父子で務めることになる。