abstract:Tuoba Yu (拓拔余) (died 452), formally Prince Yin of Nan'an (南安隱王), was briefly an emperor of the Chinese/Xianbei dynasty Northern Wei. He was placed on the throne by the eunuch Zong Ai after Zong assassinated his father Emperor Taiwu in spring 452, and Zong was largely in control of the regime during his reign.