Complex sentence: Maximus has a gruff demeanour and does not suffer fools gladly however he does possess a dry sense of humour even after the murder of his wife and child whom he determins to avenge.
Split into simpler sentences: Maximus has a gruff demeanour and does not suffer fools gladly. However he does possess a dry sense of humour even after the murder of his wife and child whom he determins to avenge.