Complex sentence: His physican and family friend, Dr. R. Watson Councell may have been his only legitimate connection to such organizations and Rohmer may have exaggerated his association to boost his literary reputation as an occult writer.
Split into simpler sentences: His physican and family friend, Dr. R. Watson Councell may have been his only legitimate connection to such organizations. It is believed that Rohmer may have exaggerated his association in order to boost his literary reputation as an occult writer.