Complex sentence: The governor of the Bastille, Bernard-René de Launay, surrendered and then was killed, and his head put on the end of a pike and carried around Paris, and the Prevot of the merchants of Paris, Jacques des Fleselles, was also murdered.
Split into simpler sentences: The governor of the Bastille, the Marquis de Launay, surrendered and then was killed, and his head put on the end of a pike and carried around Paris. The Provost of the merchants of Paris, Jacques des Fleselles, was also murdered.