《魏书·帝纪·卷七》
二月初二日，制定皇子中被封为王的，皇孙及曾孙继封的，皇女受封的一年不等俸禄。
二月己亥，制皇子封王者、皇孙及曾孙绍封者、皇女封者岁禄各有差。
On the 2nd day of the second month, the amount of annual salaries for Royal Princes and their grandsons and great-grandsons who were granted the title “Wang” was determined, and the amount of annual salaries for Royal Princesses was also determined.