Surname קלס (קלס 
) , in the entire world, is a very rare last name. The last name קלס is habitual in Western Asia, particularly Israel, where it is a rare surname.
| יאיר קלס Israeli musician, IL (b. 1940) |
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| אייל קלס Israeli violinist, Violin teacher and author., IL |
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| איל קלס IL |
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