Go Sagye

Go Sagye (Hanyu Pinyin: Gāo Shèjī, ?~?) was a general of the Goguryeo in its last days (about 668 CE). He was taken captive into Tang China after Goguryeo's fall, and served as a general for the Tang dynasty before giving his position to his son Go Seonji, who became a great general.

Background
General Go Sagye was from the Go family, therefore a distant relative of the Go Royal Family. Go became a general of Goguryeo from an unknown age and served under Bojang of Goguryeo.

Fall of Goguryeo and captured by Tang
The Tang launched a major invasion, one that was bent on destroying the Goguryeo for good, in 668. The Silla Kingdom, an ancient Korean kingdom, allied with the Tang to destroy Goguryeo. The Tang-Silla Alliance destroyed all major frontier fortress of Goguryeo. The Tang passed Ansi fortress and headed straight for Pyongyang. At the same time, General Go was captured by Tang soldiers and taken captive into Tang China.

After submission to Tang China, he served briefly as a general in the Tang army of Protectorate General to Pacify the West. However, he gave his position and rights to his son, Go Seonji, who would carry on his legacy and become a one of the great general of Tang China.