 was the last Crown Prince of Balhae and a member of the Balhae Royal Family, and was the leader of the Balhae refugees who sought refuge in the Korean Kingdom of Goryeo.Dae Gwang-hyeon was probably the first son of King Dae Inseon, and the last Crown Prince of Balhae.After several months of oppressing Balhae, the Khitan army swept through the nation and reached Sanggyeong, the capital city.