Complex sentence: As a result of this, his father, Sir John Cavendish, was then pursued by the peasants, and he made it to St. Mary's Church, Cavendish, where he pleaded sanctuary by grasping the handle of the church door.
Split into simpler sentences: As a result of this, the father, Sir John Cavendish, was pursued by the peasants. He reached St. Mary's Church, Cavendish, where he pleaded sanctuary by grasping the handle of the church door.