query: Who was the last Han Dynasty Emperor?
passage: Emperor Xian of Han
Emperor Xian of Han (2 April 181 – 21 April 234), personal name Liu Xie, courtesy name Bohe, was the 14th and last emperor of the Eastern Han dynasty in China. He reigned from 28 September 189 until 11 December 220.[4][5]
passage: Chongzhen Emperor
The Chongzhen Emperor (; 6 February 1611 – 25 April 1644), personal name Zhu Youjian (), was the 17th, the last ethnic Han to sit on the throne, and last emperor of the Ming dynasty in China. "Chongzhen," the era name of his reign, means "honorable and auspicious".