Complex sentence: He died at his home, Twickenham Park, on 21 October 1803 leaving most of his property to his nephew Lord George Cavendish, later 1st Earl of Burlington.
Split into simpler sentences: He died at his home, Twickenham Park, on 21 October 1803. He left most of his property to his nephew Lord George Cavendish, later 1st Earl of Burlington.