《三国志·吴书·张顾诸葛步传》
当初，张承丧妻，张昭想为他求娶诸葛瑾的女儿，张承因为关系友好而难以抉择，孙权得知后就劝解他，他就做了诸葛瑾的女婿。
初，承丧妻，昭欲为索诸葛瑾女，承以相与有好，难之，权闻而劝焉，遂为婿。
Previously, when Zhang Cheng lost his wife, Zhang Zhao intended to ask for Zhuge Jin's daughter for him. Zhang Cheng had difficulty deciding since they were related. When Sun Quan learned about it, he advised him, so he became Zhuge Jin's son-in-law.