Complex sentence: The dean at the time, Dr Walter Raleigh, nephew of the explorer Sir Walter Raleigh, was imprisoned after the fall of Bridgwater to the Parliamentarians in 1645, brought back to Wells and confined in the deanery.
Split into simpler sentences: The dean at this time was Dr Walter Raleigh, a nephew of the explorer Sir Walter Raleigh. He was imprisoned after the fall of Bridgwater to the Parliamentarians in 1645, brought back to Wells and confined in the deanery.