For Klassen-Selberg there are 3 on Yasni with different names.
Among the most common last names on Yasni Klassen-Selberg is on position 4524.
I suspect the name is composed of two parts: 1 Klaas (Klaus); 2 Sen (son) means "the son Klaas"
(Sent from: Meister)
There is no meaning available yet for "Selberg".
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