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Cognomen Shichai (Shichai ) , in the entire world, is an extremely rare family name. Much more prevalently, Shichai is the forename as well as the last name.
Шихаи, Шихай, Щихаи, Щихай, 世钗, 仕柴, 仕钗, 士钗, 实钗, 屎柴, 希钗, 式钗, 时钗, and 诗钗
Li, Xu, Lin, Chen, Tian, Yang, Ying, Zhao, Chong, and Huang