Congalaig, king of Brega (Ireland) Fujiwara no Uchimaro, Japanese nobleman (b. 756) Hemming, king of Denmark Ibrahim I, Muslim emir of the Aghlabids (b. 756) Jeong, king of Balhae (Korea) (approximate date) Li Ning, prince of the Tang Dynasty (b. 793) Nikephoros, son of Constantine V (approximate date) Tian Ji'an, general of the Tang Dynasty William of Gellone, Frankish nobleman (or 814) References