For this Volker Klaus there are 2 different names on Yasni.
In the ranking of the most common first names Volker Klaus is on position 4589.
Male first name (German): Volker, Old High (two-part name); folc = the crowd, the military band, the people, heri = the army, the soldier of old German two-part name, known by the Knights Volker from the Nibelungenlied
Male first name (German): Klaus, Greek (Word format); since the Middle Ages became independent short for 'Nicholas', the first since 20 Century common
