Tae WŏnŭiTae Wŏnŭi was the 4th ruler of the kingdom of Balhae.BackgroundTae Wŏnŭi was a son of King Mu, the second ruler of Balhae, and the brother of the previous king, King Mun; when Mun's son Tae Koengnim died, Wŏnŭi was chosen as the next king.Reign and deathHowever, upon ascending the throne the king showed a jealous and violent temper. In 793, he was slain by his ministers. The son of Koengnim was chosen to replace him, becoming King Sŏng.