Surname Klays (Klays 
) , all over the world, is a very rare last name. The last name Klays is characteristic of Kazakhstan, where it is a very rare surname, the United Kingdom, where it is an extremely rare surname, and Canada. Measured by absolute frequency, it is the most numerous in the United States, the United Kingdom, and Kazakhstan. Much less frequently, Klays is the forename as well as the last name.
| konrad klays Konrad Klays, a correspondent of Willibald Pirckheimer |
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