Hans Dalenberg, Assen, Drente, The Netherlands (Holland) is the "gravedigger" in the geanological surname DALENBERG. His hypothesis is that the name is a combination of excavating/afgraven, NL = dalen NL a sand dune/berg NL = DALENBERG. The actual spot was the municipality of Bloemendaal which is a part of the Haarlem agglomeration at the provence of North-Holland.