Complex sentence: Admiral Harry Powlett, 6th Duke of Bolton PC (6 November 1720--1794), British nobleman and sailor, was the second son of Harry Powlett, 4th Duke of Bolton and Catherine Parry.
Split into simpler sentences: Admiral Harry Powlett, 6th Duke of Bolton PC (6 November 1720--1794) was a British nobleman and naval officer. He was the second son of Harry Powlett, 4th Duke of Bolton and Catherine Parry.