《南齐书·列传·卷三十三》
张允的哥哥张充，永明元年，做武陵王的幕友，因写给尚书令王俭的信中，言词激动，而被御史中丞到捅参劾，被免去官职并禁止再次录用。
允兄充，永明元年为武陵王友，坐书与尚书令王俭，辞旨激扬，为御史中丞到捴所奏，免官禁锢。
Zhang Yun's elder brother, Zhang Chong, became King Wuling's close adviser in the first year of the Yongming era. However, due to his emotional words in his letter to King Wang Jian, the head of the book, he was impeached by the 御史 China Cheng, who was then dismissed from office and was not allowed to fill the position again.