Complex sentence: When he finds her resting place empty he realizes that Ananka has been reincarnated into another body, Bey kidnaps a young American woman of Egyptain decent correctly knowing that she is the princess.
Split into simpler sentences: When he finds her resting place empty, he realizes that Ananka has been reincarnated into another body. Bey then kidnaps a young American woman of Egyptian decent, correctly knowing that she is the princess.