Vem gifte sig med Sinseong?

Taejo (Korean: 태조; Hanja: 太祖; 31 January 877 – 4 July 943), personal name Wang Kŏn (왕건; 王建), also known as Taejo Wang Kŏn (태조 왕건; 太祖 王建; lit. ''Great Progenitor Wang Kŏn''), was the founder of the Goryeo Dynasty of Korea. He ruled from 918 to 943, achieving unification of the Later Three Kingdoms in 936.