Complex sentence: The specific accusations made against John during the baronial revolts are now generally considered to have been invented for the purposes of justifying the revolt; nonetheless, most of John's contemporaries seem to have held a poor opinion of his sexual behaviour.
Split into simpler sentences: The specific accusations made against John during the baronial revolts are now generally considered to have been invented for the purposes of justifying the revolt. Nevertheless, most of John's contemporaries seem to have held a poor opinion of his sexual behaviour.