Emperor Yingzong of Ming, personal name Zhu Qizhen, was the sixth and eighth emperor of the Ming dynasty. He ruled as the Zhengtong Emperor from 1435 to 1449, and as the Tianshun Emperor from 1457 until his death in 1464.

The Jingtai Emperor, also known by his temple name as the Emperor Daizong of Ming (明代宗) and by his posthumous name as the Emperor Jing of Ming (明景帝), personal name Zhu Qiyu (朱祁鈺), was the seventh emperor of the Ming dynasty, reigned from 1449 to 1457. He succeeded his elder brother, Emperor Yingzong, who had been captured by the Mongols. "Jingtai", the era name of his reign, means "exalted view". He was overthrown in a palace coup led by Yingzong in February 1457, and died a month later.