Zelena grows up in Oz, but her mother eventually passes, and so she is left with her unloving father. When finally learning that they are not her biological parents, Zelena flees, heading to the Wizard of Oz in hopes of finding a family who loves her. She is told her heritage, and soon learns of a half-sister, Regina, she has, one of which she quickly becomes envious of. The Wizard gives Zelena a pair of silver slippers though, and she is able to travel to the Enchanted Forest where she meets Rumplestiltskin. Knowing that it's Cora's daughter who must cast the Dark Curse, the Dark One takes Zelena on as a student, but with her jealousy for her sister and her love for her teacher growing, Rumple is forced to drop her. She then uses the slippers to return back to Oz. ("It's Not Easy Being Gr