《北史·列传·卷六》
一开始元熙的妻子于氏就知道元熙必定失败，不同意他的计划，从起先就哭泣不停，直到元熙死去。
始熙妃于氏知熙必败，不从其谋，自初哭泣不绝，至于熙死。
At the beginning, Yuan Xi's wife, Yu Shi, knew that Yuan Xi would definitely fail and disagreed with his plan. She cried incessantly from the beginning until Yuan Xi died.