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Throughout the world, ソンギュ (ソンギュ ) is an extremely rare unknown gender given name. Much more frequently, ソンギュ is the last name as well as the forename.
Seon-Kyu, Seong-Kyu, Seonggyu, Seongyu, Songyu, Sun-Kyu, Sung-Gyu, Sung-Kyu, Sunggyu, Sungkyu, 成圭, 선규, and 성규
キム