Complex sentence: For nearly 50 years, from 1953 to 2002, it was home to Queen Elizabeth, the Queen Mother, but has since been the official residence of The Prince of Wales, The Duchess of Cornwall and Prince Harry.
Split into simpler sentences: For nearly 50 years, from 1953 to 2002, it was home to Queen Elizabeth, the Queen Mother. It has since been the official residence of The Prince of Wales, The Duchess of Cornwall and Prince Harry.