Prince Sumyeong () was a Korean Royal Prince as the only son of

Taejo of Goryeo Taejo of Goryeo (31 January 877 – 4 July 943), also known as Taejo Wang Geon (; ), was the founder of the Goryeo dynasty, which ruled Korea from the 10th to the 14th century. Taejo ruled from 918 to 943, achieving unification of the Later Three ...

and

Grand Lady Heonmok Grand Lady Heonmok of the Gyeongju Pyeong clan () was the daughter of Pyeong-Jun who became the 7th wife of Taejo of Goryeo and mother of Prince Sumyeong. From all of Taejo's wives and consorts, just she who held the highest title but still below ...

. From all of his father's wives, just his mother whom held the highest title around the consorts but still below the queens. Although his wife was unknown, but they had a son, Wang Gyu, Prince Hongdeok (왕규 홍덕원군).

References

{{DEFAULTSORT:Sumyeong, Prince Korean princes Year of birth unknown Year of death unknown 10th-century Korean people