MEGA; Tim Wright / MEGA Frogmore Cottage has long been one of the most picturesque homes on the British royal family's Windsor Great Park estate. The quiet retreat has housed monarchs' confidants, palace staffers and even members of the modern royal family. But the historic property has recently been thrust into the spotlight for an unsettling reason. Andrew Mountbatten-Windsor is at the center of disturbing allegations tied to the cottage following the U.S. Justice Department's release of the Jeffrey Epstein files.