Liu Qing (Chinese: 劉慶; 78 – 1 February 107[3]), formally Prince Xiao of Qinghe (清河孝王) or Emperor Xiaode (孝德皇), was a crown prince of the Han dynasty under his father Emperor Zhang who lost his position and his mother Consort Song due to palace intrigue at the hands of his father's wife Empress Dou.
The still-young Prince Qing remained in the capital Luoyang, and he and his emperor brother continued to spend great amounts of time together.
Apparently encouraged by Prince Qing and the eunuch Zheng Zhong, Emperor He carried out a coup d'état in 92 and toppled the Dous' power.
(Prince Qing's involvement in the plot is not completely clear but apparently major, and it is speculated that his motivation was to avenge himself (for being deposed) and his mother (for being forced to commit suicide).
)[5] After Empress Dowager Dou died in October 97, it was finally revealed that Emperor He was born of Consort Liang.
Emperor He agreed and further ordered that Prince Qing be supplied with the proper items to worship his mother posthumously.
When Emperor He died in February 106, Prince Qing was so saddened by his brother's death that he vomited blood and became seriously ill.