Originally Posted by
xhx23x
Yeah she is called Emma in the movie, you're right. But my point is that they go out of the way to not give her the last name Silverfox, including in promo material, so yeah I doubt she was her sister by blood or as stated her sister in any way. I think Kayla was indeed lying to get Logan to help her free Emma.
Incidently, I often wondered if this timeline is tied to the Gifted that this Emma was maybe also a first attempt at cloning that later resulted in the Frost Sisters.