Little was known about how Stefan was born however it is known that he wasn't born as an ordinary human was, Stefan was created by an unnamed Darksider's desire to create new life whom didn't exactly follow the scientific ways of Darth Plagueis through the manipulation of midi-chlorians but instead through the assimilation of Dark side force energy to a single point within a pregnant individual, the Sith Sorcery and Alchemy used to create Stefan however cost the Darksider and his force sensitive birth mother their lives - both lives sacrificed to make something new and more powerful.