Complex sentence: The story ends some twenty years later at a garden party hosted by Laura's cousin Belle Radclyffe (nee Bonner), the day of the unveiling of a statue of Voss, also attended by the one remaining member of Voss's expeditionary party, Mr Judd.
Split into simpler sentences: The story ends some twenty years later at a garden party hosted by Laura's cousin Belle Radclyffe (nee Bonner) on the day of the unveiling of a statue of Voss. The party is also attended by the one remaining member of Voss's expeditionary party, Mr Judd.