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Around the world, 约斯 (Joos , 约斯 , Jooss ) is a rare gender-neutral first name. The first name 约斯 is habitual in Western Europe, particularly Belgium, where it is a rare mostly masculine, but seldom female name, Netherlands, where it is a rare gender-neutral name, and Switzerland, where it is a rare male name. Measured by absolute frequency, it is the most numerous in Belgium, Indonesia, and Netherlands. More frequently, 约斯 is the last name as well as the forename.