There is no public record or verified information suggesting that Uma Jolie has a biological or legal step-sister who is also in the entertainment industry.
While fans often look for "real-life" connections, Uma Jolie—like many high-profile performers—maintains a clear boundary between her public persona and her private family life. uma jolie step sister
Most performers use stage names (pseudonyms) specifically to protect the privacy of their actual family members. Why the Topic is Popular There is no public record or verified information
Any "step-sister" associated with Uma Jolie is a fictional character portrayed for the camera. uma jolie step sister