In this Korean name, the family name is Jo.

Jo Ryon-sik (born 30 January 1960) is a North Korean boxer. He competed in the men's flyweight event at the 1980 Summer Olympics.[1]

References

  1. ^ Evans, Hilary; Gjerde, Arild; Heijmans, Jeroen; Mallon, Bill; et al. "Jo Ryon-sik Olympic Results". Olympics at Sports-Reference.com. Sports Reference LLC. Archived from the original on 18 April 2020. Retrieved 24 December 2018.


Allikas: https://en.wikipedia.org/wiki/Jo_Ryon-sik
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