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Family name Bichun (必春 , 碧纯 , Bichun ) , all around the world, is quite a rare surname. The cognomen Bichun is characteristic of Belarus, where it is quite a rare surname, Kazakhstan, where it is a rare surname, and Poland, where it is a very rare surname. In absolute terms, it most frequently occurs in China, Belarus, and Russia. More prevalently, Bichun is the forename as well as the last name.