Complex sentence: One of their galleys, "la Grimaldi", sank off Piombino, although its crew and artillery taken aboard the Spanish fleet, and another one, "Saint-Dominique", lagged behind along with a fireship and was captured by Pimienta off Cape Corse.
Split into simpler sentences: One of their galleys, "la Grimaldi", sank off Piombino, although its crew and artillery was taken aboard the Spanish fleet. Another ship, "Saint-Dominique", lagged behind along with a fireship and was captured by Pimienta off Cape Corse.