Complex sentence: The leader of the Austrian cavalry General Römer received a fatal head shot from a Prussian musket ball and with both leaders of the wings dead, an officer asked Schwerin where they should retreat to.
Split into simpler sentences: The leader of the Austrian cavalry, General Römer, received a fatal shot to his head from a Prussian musket ball. With the leaders of both wings dead, an officer asked Schwerin where they should retreat to.