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Family name Quero (كيرو
, Quero
, ケロ
) , across the world, is a common cognomen. The family name Quero is characteristic of Venezuela, where it is quite a common surname, Egypt, where it is quite a rare surname, and Spain. Measured by absolute frequency, it is commonest in Egypt, Venezuela, and Mexico. Also, Quero is the forename as well as the last name.