《资治通鉴·隋纪·隋纪七》
李世民娶了右骁卫将军长孙晟的女儿为妻。右勋卫长孙顺德是长孙晟的族弟，他和右勋侍池阳人刘弘基都逃避辽东的征役，逃亡在晋阳投靠了李渊，他们二人与世民要好。
世民娶右骁卫将军长孙晟之女；右勋卫长孙顺德，晟之族弟也，与右勋侍池阳刘弘基，皆避辽东之役，亡命在晋阳，依渊，与世民善。
Li Shimin married the daughter of General Changsun Sheng, the right general of Xiao Wei. Changsun Shunde, the right general of Xun Wei, was Changsun Sheng's cousin. He and Liu Hongji, a servant of Xun Wei from Chiyang, fled the conscription to Liaodong and escaped to Jinyang to join Li Yuan. These two people were on good terms with Shimin.