Complex sentence: The Swedish fleet under the command of General-Admiral Duke Carl of Sondermanland consisted of 22 ships of the line, four frigates and four smaller vessels entered the raid, and started passing by the anchored Russian ships.
Split into simpler sentences: The Swedish fleet under the command of General-Admiral Duke Carl of Södermanland consisted of 22 ships of the line, four frigates and four smaller vessels. It entered the raid and started passing by the anchored Russian ships.