Janszoon


Janszoon usually abbreviated to Jansz was a Dutch patronym. While Janse, Janssens, and especially Jansen and Janssen, are very common surnames derived from this patronym, the form Jansz is quite rare and Janszoon itself does not exist in the Netherlands.
People with this name or its variants include:

As a surname

Since "Jan" was the most common given name in the Netherlands for many centuries, the patronym was exceedingly common. To name a few: