the servants spoke often of mary beth going down to the french quarter to consult with the voodooiennes and of having an altar in her room at which she worshiped the devil they said that mary beth knew when you told a he , and knew where you had been , and knew where every member of the mayfair family was , even those who had gone up north , and knew at any moment what these people were doing they said mary beth made no effort to keep such things a secret .