Cai Yong (133-192), also known as Bo Zhe. A native of Chenliu County (now Yuen Town, Kaifeng City, Henan Province). A famous writer and calligrapher in the Eastern Han Dynasty, he was the father of the talented Cai Wenji.
Cai Mao (date of birth and death unknown), courtesy name Degui, was born in Caizhou, Xiangyang (now Xiangyang, Hubei). At the end of the Eastern Han Dynasty, he was the son of Cai Xi, a famous family in Jingzhou, and his aunt (Cai Xi's sister) was the wife of Taiwei Zhang Wen. The eldest sister and the second sister married Huang Chengyan and Liu Biao successively and became stepchildren.
The two are not related.
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