"I tried, I want so much to make things right but every instinct in my body is telling me to be careful. What you don't know can hurt you."
Katerina Petrova / Katherine Pierce is a doppelganger; descended from Amara and Tatia. She was pregnant by an unknown man when she was 16. She carried the child to term; but seconds after her daughter's birth, Katerina's father took the child away. He claimed it would be better for both of them to never see one another and consequently her family disowned her for the shameful birth of an illegitimate daughter. She become a vampire and the love of the Captain, Killian Jones.
Jane Swan is a doppelganger; descended from Katherine, Amara and Tatia. She was an orphan and got to a foster family, where she meet Emma Swan and the two become best friends. Mother and daughter. They were together ever since Jane was 4.
When a 10 years old boy named Henry came to them and say that he's Emma's son, he took them to a place called, Storybrooke, Jane began to discover new things she didn't know about and about her family.