Yeon Namgeon
Yeon Namgeon (淵男建, 연남건) (635 ~ ?) was the second son of the Goguryeo military leader and dictator Yeon Gaesomun (Unknown-665), and third Dae Magniji of Goguryeo during the reign of Goguryeo's las...
Goguryeo Kingdom 2 - YouTube
Jun 4, 2013 ... When Yeon Namsaeng subsequently sent officials close to him back to Pyongyang to try to spy on the situation, Yeon Namgeon arrested them ...