Complex sentence: She died at her gothic villa, Strawberry Hill in Twickenham, on 29 January 1816 at the age of 55 and was buried beside her husband in Great Packington.
Split into simpler sentences: She died at her gothic villa Strawberry Hill in Twickenham on 29 January 1816 at the age of 55. She was buried beside her husband in Great Packington.