《资治通鉴·梁纪·梁纪五》
因此，北魏人便对萧正德非常不客气，于是萧正德就杀了一个小孩，声言是自己的孩子，远远地修建墓地。北魏人没有怀疑他。第二年，他又从北魏逃回国。
由是魏人待之甚薄，正德乃杀一小儿，称为己子，远营葬地；魏人不疑，明年，复自魏逃归。
Therefore, the Northern Wei people were very rude to Xiao Zhengde. Xiao Zhengde killed a child, claiming he was his own son, and built a tomb far away. The Northern Wei people did not suspect him. The following year, he escaped from the Northern Wei and returned to his country.