《北史·本记·卷二》
六月，西平王吐谷浑慕利延杀了他哥哥的儿子纬代，纬代的弟弟叱力延等人来投奔，请求派兵征讨。
六月，西平王吐谷浑慕利延杀其兄子纬代，立纬弟，叱力延等来奔，乞师。
In the sixth month, King Xiping, Muguliyan of the Tuyuhu, killed his brother's son, Weidai, whose younger brother, Diliyan, et al. came to seek refuge, requesting that troops be sent to attack.