《汉书·传·宣元六王传》
皇帝于是派遣太中大夫张子娇领玺书命令晓谕他，说： 皇帝告诉束平王。
上于是遣太中大夫张子蟜奉玺书敕谕之，曰： 皇帝问东平王。
The emperor then sent Grand Master of the Palace Attendants Zhang Zijiao to deliver an edict to him, saying, "The emperor informs the Prince of Shuipeng."