Han Mingdi no relation crown prince
Emperor Ming of Han (15 June 28 – 5 September 75), born Liu Yang and also known as Liu Zhuang and as Han Mingdi, was the second emperor of China's Eastern Han dynasty.
He was the fourth son and second crown prince of Emperor Guangwu.  It was during Emperor Ming's reign that Buddhism began to spread into China.
Emperor Ming was a hard-working, able administrator of the empire who showed integrity and demanded integrity from his officials. He also extended Chinese control over the Tarim Basin and eradicated the Xiongnu influence there, through the conquests of his general Ban Chao.
The reigns of Emperor Ming and his son Emperor Zhang were typically considered the golden age of the Eastern Han Empire and known as the Rule of Ming and Zhang.
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