Complex sentence: In 1700 the borough was under the patronage of Charles Boyle, 2nd Earl of Burlington; by 1758 it had passed through Charlotte Cavendish née Boyle to her husband William Cavendish, later Duke of Devonshire, who entrusted it to Henry Boyle, 1st Earl of Shannon.
Split into simpler sentences: In 1700 the borough was under the patronage of Charles Boyle, 2nd Earl of Burlington. It passed through Charlotte Cavendish née Boyle to her husband William Cavendish, later Duke of Devonshire, who by 1758 had entrusted it to Henry Boyle, 1st Earl of Shannon.