Dutch schooner ship Heemskerk built in Amsterdam, Netherlands according to the Dutch newspaper Algemeen Handelsblad dated 1 May 1839

An item reported that the same day at the shipyard de Walvisch shipbuilder Jan Nuveen launched the coppered schooner ship Heemskerk for Jacob Hartsen. The edition dated 3 May 1839 published an item dated The Hague 2 May reporting that two days earlier at the shipyard de Walvisch in Amsterdam shipbuilder Jan Nuveen launched the coppered schooner ship Heemskerk for Jacob Hartsen captain Blanckert.