Complex sentence: Arthur Chichester, 1st Marquess of Donegall (June 13,1739-January 5,1799) was an Irish nobleman who was born in England and educated at Trinity College, Oxford, before succeeding his uncle in 1757 as fifth Earl of Donegall.
Split into simpler sentences: Arthur Chichester, 1st Marquess of Donegall (June 13,1739-January 5,1799) was an Irish nobleman. He was educated at Trinity College, Oxford before succeeding his uncle in 1757 as fifth Earl of Donegall.