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Worldwide, Xiankai (Xiankai , 宪凯 , 先开 ) is quite a rare primarily masculine, but scarcely girly first name. The forename Xiankai is characteristic of Singapore, where it is quite a rare masculine name, and China, where it is a rare principally masculine, but scarcely feminine name. Very seldom, Xiankai is the last name as well as the forename.