Complex sentence: The protagonist, a young Welsh aristocrat named Augustine Penry-Herbert, is incorrectly suspected of having something to do with the accidental death of a young girl whose body he discovers, and so decides to leave England and visit distant relations in Germany.
Split into simpler sentences: The protagonist, a young Welsh aristocrat named Augustine Penry-Herbert, discovers the body of a young girl and is incorrectly suspected of having something to do with her accidental death. Augustine decides to leave England and visit distant relations in Germany.