German 'von', when it is used as a part of a family name, it is usually a nobiliary particle, like the French, Galician, Spanish and Portuguese 'de'. In contrast to these, Dutch (or Flemish) 'van' simply means 'of', 'from' and is not an indication of nobility.

Niemieckie "von" i "van" oznacza "z" pierwsze w Niemieckim, a drugie w Holenderskim, również oznaczało to pochodzenie Szlacheckie