Yunreng (6 June 1674 – 27 January 1725), born Yinreng, a Manchu prince of the Qing dynasty. He was the second among the Kangxi Emperor's sons to survive into adulthood and was designated as Crown Prince for two terms between 1675 and 1712 before being deposed
Spence, Jonathan D. (2002), "The K'ang-hsi Reign", in Peterson, Willard J. (ed.), Cambridge History of China, Vol. 9, Part 1: The Ch'ing Dynasty to 1800, Cambridge: Cambridge University Press, pp. 120–182, ISBN0521243343.