* These names are misspelled: Could you double-check the spelling? Maybe it's "Imogen N[something else]" or "Alafair [something else]"?
* They are fictional characters: You might be thinking of a specific book, movie, TV show, or game. If you can provide more context about where you encountered these names, I might be able to help you find the information you need.
* These names are made up: It's also possible that these names are not connected to any known individuals.
Please provide more information so I can assist you better!