Marty Nesbit is her bio father. Malia is the spitting image of her father, Marty Nesbit, and the other daughter is a clone of Marty’s wife, Anita Blanchard.
There are points in this video where the photos are placed side by side. I found it startling.
https://www.youtube.com/watch?v=XadQMCbmNZY
Facinating indeed