In this Korean name, the family name is Seo.Seo Sang-yeong (born 13 March 1945) is a South Korean boxer. He competed in the men's flyweight event at the 1968 Summer Olympics.[1] Quick Facts Personal information, Nationality ...Seo Sang-yeongPersonal informationNationalitySouth KoreanBorn (1945-03-13) 13 March 1945 (age 79)Geoje, KoreaSportSportBoxingClose References [1]Evans, Hilary; Gjerde, Arild; Heijmans, Jeroen; Mallon, Bill; et al. "Seo Sang-yeong Olympic Results". Olympics at Sports-Reference.com. Sports Reference LLC. Archived from the original on 17 April 2020. Retrieved 7 December 2018. External links Seo Sang-yeong at Olympedia This biographical article relating to a South Korean boxing figure is a stub. You can help Wikipedia by expanding it.vteWikiwand - on Seamless Wikipedia browsing. On steroids.