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In the entire world, Jongchan (Jongchan ) is a very rare epicene given name. Much less frequently, Jongchan is the last name as well as the forename.
Жонгшан, and Йонгчан
Ma, Yun, Moon, Shin, Song, Choi, Baek, Yeo, Kang, Park, Jeon, Jung, Hong, Yoon, Chang, Kwon, Yoo, Woo, Won, An, Ha, Oh, Yu, Yi, Mun, Ahn, Cho, Kim, Roh, Lee, Lim, Nam, Noh, Han, Chung, and Jeong