Moreover, since the kamakura bakufu (feudal government headed by a shogun) was established, vassals of Kamakura-dono (i.e. the lords of Kamakura) were called gokenin (御家人) with "御" prefixed to honor the lord.
更に鎌倉幕府が成立すると、その首長たる鎌倉殿の家臣のことを、鎌倉殿への敬意を表す「御」をつけて御家人と呼ぶようになった。