Queen Mary Is Unruffled -- Queen Mary, 83, leaves her London home, Marlborough House, to lunch at Buckingham Palace with King George VI and Queen Elizabeth June 24. Earlier same day an intruder Broke into her home and stabbed the 60-year-old housekeeper, Mrs. Alice knight, and her assistant, Mrs. Ralph. The wounded woman were taken to Hospital. detectives later found a man hiding in the basement and took him to cannon row police station for interrogation. June 04, 1951. (Photo by Associated Press Newsphoto).