Title: Before the Most Noble and Right Honourable the Lords Commissioners of Appeals in Prize Causes, the Sloop Betsey, James Stewart, master, (an appeal from Montserrat), Dudley Semper, of the Island of Montserrat, Esquire, claimant of the sloop and part cargo, on behalf of John Martins de larencieux, of His Majesty the King of Sweden, the proprietor thereof, appellant, against William Smith, commander of the private ship of war, Roebuck, the captor