Complex sentence: George Thomas, Earl of Albemarle, "Memoirs of the Marquis of Rockingham and his contemporaries", 149-151 In 1768 he succeeded his cousin Horace Walpole as MP for Lynn, sitting until 1784, when he was succeeded by his nephew Horatio Walpole.
Split into simpler sentences: George Thomas, Earl of Albemarle, "Memoirs of the Marquis of Rockingham and his contemporaries", 149-151 In 1768 he succeeded his cousin Horace Walpole as MP for Lynn. He remained MP for Lynn until 1784, when he was succeeded by his nephew Horatio Walpole.