Jacob Biet ran an electrical supplies shop, which was emptied out during the war. In the archive of the Nederlands Beheersinstituut (Property Administration Institute, NBI), which has been incorporated into the Nationaal Archief (National Archive), there is a file (no. 41686) with a valuation report describing the liquidation of the shop. This report was drawn up by Omnia Treuhandgesellschaft. The…