Article continues below advertisementSarah Ferguson is facing one of the loneliest chapters of her life, with friends claiming she has been "cut adrift" from royal circles and quietly dropped from high society gatherings following the downfall of her former husband, Andrew Mountbatten-Windsor.The 66-year-old former Duchess, who has lived for decades with Andrew at Royal Lodge in Windsor Great Park, is preparing to leave the mansion after King Charles ordered his disgraced brother to vacate the property.