Mu of Balhae
Dae Mu-ye, also known as King Mu () (r. 719–737), was the second king of the Balhae. He is noted for the military expansion of his domain. Background. Dae Mu-ye was the eldest son of Dae Jo-yeong, the founder of the ancient kingdom of Balhae, He ascended to the throne after the death in 719 of his father. He was given the title of "King of the Gyeru Province" by Tang Emperor Xuanzong. He gave the posthumous title King Go to his father, Dae Jo-yeong. Since then, He declared the era name "In-an