Complex sentence: It is not impossible that far more than this wing fled as well, as there is evidence that some baggage was looted and after the battle the Cheshire rebels were "prosecuted" for taking some 7,000 horses with them.
Split into simpler sentences: It is not impossible that far more than this wing fled as well, as there is evidence that some baggage was looted and after the battle. The Cheshire rebels were "prosecuted" for taking some 7,000 horses with them.