Complex sentence: Earl of Winchilsea and Earl of Nottingham are two titles in the Peerage of England held by the Finch-Hatton family that have been united under a single holder since 1729.
Split into simpler sentences: Earl of Winchilsea is a title in the Peerage of England held by the Finch-Hatton family. It has been united with the title of Earl of Nottingham under a single holder since 1729.