Complex sentence: In 2015, the Duchess assumed residence in Verbier, Switzerland, where she and the Duke of York own a chalet, and maintains a rented apartment in Eaton Square in London and a room at Royal Lodge.
Split into simpler sentences: In 2015, the Duchess assumed residence in Verbier, Switzerland, where she and the Duke of York own a chalet. She also maintains a rented apartment in Eaton Square in London and a room at Royal Lodge.