A few weeks later, they will go back to their office jobs. Both studied business. Mr. Prince of Prussia, 35, works as a consultant to academics seeking to market their discoveries. Ms. Princess of Isenburg, 33, is a consultant to nonprofits. Their spokeswoman said they weren't available for interviews.
"I think there's a certain part of both of them that is getting involved in this—the dramatic aspects of it—reluctantly," said a friend of the couple, Todd Fletcher, an American composer living in Berlin.