《后汉书·本纪·孝桓帝纪》
夏季四月初三，封帝弟刘硕为平原王，奉孝崇皇祀，尊孝崇皇夫人马氏为孝崇园贵人。
夏四月丙子，封帝弟硕为平原王，奉孝崇皇祀。尊孝崇皇夫人马氏为孝崇园贵人。
On the third day of the fourth month in the summer, the emperor enfeoffed his younger brother Liu Shuo as the Prince of Pingyuan, made offerings to honor Xiao Chong, and honored Xiao Chong’s wife Ma as Lady Xiao Chongyuan.