There is no doubt that Zhang Bao is Zhang Fei's eldest son. It means that he died before he was an adult. In ancient times, the age of adulthood was twenty, and the ancients held a coronation ceremony in their twenties. The so-called weak crown year refers to 20 years old. Early death means that he died before he was twenty, so Zhang Bao must have been twenty when he died. Now Zhang Fei is not only because Liu Chan lived too long, but also because the three big cities were not killed in the last years of the Eastern Han Dynasty. Due to Zhang Bao's early death, Zhang Fei's title can only be inherited by Zhang Fei's second son, Zhang Shao.
In the novel, after Zhang Bao learned that his father was killed, he had a particularly good relationship with Liu Bei's son Guan Xing. Liu Bei appreciates both of them. Later, Zhang Bao and Guan Xing often followed Zhuge Liang's Northern Expedition and made great contributions to Shu Han. Zhang Bao's official position is a servant, and Zhang Shao is also Zhang Shao. It can be seen that Zhang Fei's two sons are civil servants, and Zhang Fei's courage on the battlefield. This is quite different from the novel.
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