Complex sentence: The French tartane "Marie-Rose" (or "Marie") was a tartane that the French Navy requisitioned in March 1798 at Marseille and commissioned as a transport of four guns and 22 men.
Split into simpler sentences: The French tartane "Marie-Rose" (or "Marie") was a tartane that the French Navy requisitioned in March 1798 at Marseille and commissioned as a transport. At capture "Marie-Rose" (or "Maria Rose") carried four guns and had a crew of 22 men.