《史记·七十列传·刘敬叔孙通列传》
于是赏赐刘敬食邑二千户，封为关内侯，称作建信侯。
乃封敬二千户，为关内侯，号为建信侯。
Thus, he bestowed Liu Jing with an estate of two thousand households, enfeoffed him as the Marquis within the Pass, and called him the Marquis of Jianxin.