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Family name 赛伦 (赛伦 , Syron , Syran ) , in the world, is a rare last name. The surname 赛伦 is characteristic of Norway, where it is a rare surname, Ireland, and New Zealand. Measured by absolute frequency, it is commonest in the United States, Canada, and Australia. Likewise, 赛伦 is the forename as well as the last name.