《左传·隐公·隐公三年》
宋穆公生病了，召见大司马孔父而把殇公嘱托给他，说： 先君抛弃了他的儿子与夷而立我为国君，我不敢忘记。
宋穆公疾，召大司马孔父而属殇公焉，曰： 先君舍与夷而立寡人，寡人弗敢忘。
Duke Mu of Song was ill, summoned Sima Kongfu and entrusted Shanggong to him, saying: The late king abandoned his son Yu Yi and made me the prince. I dare not forget.