Complex sentence: His earlier films did extremely well, however his popularity is low when compared to his brothers Shivraj kumar and Puneet Rajkumar Parvathamma and Dr. Rajkumar are devotees of Raghavendra Swami.
Split into simpler sentences: His earlier films did extremely well, however his popularity is low compared to his brothers Shivraj Kumar and Puneet Rajkumar. His parents Parvathamma and Dr. Rajkumar are devotees of Raghavendra Swami.