The civil war among the Lê-Trịnh and Mạc dynasties resulted in 1592, when the army of Trịnh Tùng conquered Hanoi and executed king Mạc Mậu Hợp. Survivors of your Mạc royal spouse and children fled on the northern mountains inside the province of Cao Bằng and ongoing to rule there https://landenryekp.therainblog.com/30208928/about-6623