Complex sentence: As the local General Practitioner, Karl has always been a traditional if somewhat arrogant man and despite certain incidents (including accidentally killing his neighbour Cheryl Stark and a drink problem) he has proven himself to be a relatively good doctor.
Split into simpler sentences: As the local General Practitioner, Karl has always been a traditional if somewhat arrogant man. Despite certain incidents (including suffering from a drink problem and accidentally killing his neighbour Cheryl Stark) he has proven himself to be a relatively good doctor.