Janßen
Janßen is a surname of German and Dutch origin. It is a patronymic name, meaning it derives from the given name "Jan," a common diminutive of "Johannes," which itself is of Hebrew origin meaning "Yahweh is gracious." The "-sen" or "-ssen" suffix in this context indicates "son of." Therefore, Janßen literally translates to "son of Jan."
The surname is particularly prevalent in northern Germany, especially in the regions of Schleswig-Holstein, Lower Saxony,