A collection of de Roo van Alderwerelt family history documentation, 20th century and earlier, Netherlands, The van de Roo van Alderwerelt family has a long history. In addition to the aforementioned lot about Joan Karel Hendrik de Roo van Alderwerelt (1897-1987) and Prince Bernhard of the Netherlands (1911-2004), the documentation in the following lot offers an insight into the de Roo van Alderwerelt family history. This includes family photo albums, noble and heraldic documentation, and the official royal decoration of J. K. H. de Roo van Alderwerelt as “Ridder in de Orde van Oranje Nassau” by the then queen Juliana of the Netherlands (1909-2004).