Pieter Pietersz "Pieterse" Lassen formerly Lassingh aka Lassing, Lassingh, Lawson, Lasse
Born about 1635 in Husum, Kreis Nordfriesländ, Schleswig-Holstein, Germany
I've found evidence that Husum, Kreis Nordfriesländ, Schleswig was part of Denmark prior to 1616
"Schleswig and Holstein have at different times belonged in part or completely to either Denmark or Germany, or have been virtually independent of both nations. The exception is that Schleswig had never been part of Germany until the Second Schleswig War in 1864."