Complex sentence: In the mid 19th century the famous Ranganathji temple of Vrindavan was built by three wealthy merchants Radhakrishna, Govinda and Lakshmichand Seth from Mathura and it was handed over by them to their spiritual preceptor Sri Rangadeshika Swamiji of Koil Kanthaadai Annan's lineage.
Split into simpler sentences: In the mid 19th century the famous Ranganathji temple of Vrindavan was built by three wealthy merchants Radhakrishna, Govinda and Lakshmichand Seth from Mathura. It was handed over by them to their spiritual preceptor Sri Rangadeshika Swamiji of Koil Kanthaadai Annan's lineage.