Complex sentence: William Cavendish (10 January 1783--15 January 1812) was an English nobleman and Whig politician, the son of Lord George Cavendish, later Earl of Burlington.
Split into simpler sentences: William Cavendish (10 January 1783--15 January 1812) was an English nobleman and Whig politician. He was the son of Lord George Cavendish, later Earl of Burlington.