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Cognomen Jiecen (Jiecen ) , in the world, is an extremely rare family name. Much more prevalently, Jiecen is the forename as well as the last name.
介岑, 劼岑, 捷岑, 杰岑, 洁岑, 界岑, 皆岑, 结岑, 解岑, and 颉岑